399b Online Betting — Enjoy Bangladesh's most reliable gaming experience with 24-hour support in Bengali
From cricket betting to live casino — everything in one place at 399b for players in Bangladesh. Easy transactions via bKash, Nagad and Rocket.
Why choose 399b?
A platform built with Bangladesh players in mind — safe, fast and simple.
Fast withdrawals
After a successful request, funds typically reach your bKash or Nagad within 1 hour.
Fastest paymentSecure transactions
Your account and funds are fully protected with SSL encryption and modern security technology.
SSL securedSupport in Bengali
Our support team is available 24 hours a day, 7 days a week via live chat in Bengali.
24/7 live chatLocal Payments
Deposit from just ৳300 via bKash, Nagad, Rocket or bank transfer.
bKash • NagadVIP Rewards
Enjoy weekly 1.2% cashback and exclusive rewards up to Diamond tier.
Diamond VIPCricket Betting
Wide betting markets on BPL, IPL, T20 World Cup and Test series — for every Bangladesh Tigers match.
BPL • IPL • T20Huge game library
Slots, live casino, fishing games and sports betting — all in one account.
All games in one place120% welcome bonus
Get a 120% bonus on your first deposit up to ৳8,000. Wagering requirement is just 10x.
120% bonusSteps to get started
Begin your journey at 399b in just a few easy steps.
Create an account
Register at 399b — open an account in under a minute with your mobile number and password.
Verification
Upload your National ID (NID). Verification is usually completed within 1–24 hours.
First deposit
Make your first deposit from just ৳300 via bKash, Nagad or Rocket — balance is added instantly.
Claim your welcome bonus
A 120% bonus is automatically added to your first deposit — receive up to ৳8,000.
First game or bet
Pick your favorite cricket match or slot game and enter the exciting world of 399b.
Withdrawal
Withdraw from a minimum of ৳1,000 — funds typically reach your mobile wallet within 1 hour.
120% welcome bonus up to ৳8,000
When you make your first deposit at 399b, you receive a 120% bonus directly — up to ৳8,000. No code needed to claim this bonus, and the wagering requirement is just 10x.
- Minimum deposit: ৳300
- Bonus rate: 120%
- Maximum bonus: ৳8,000
- Wagering: just 10x
- bKash, Nagad and Rocket accepted
Payment methods and processing times
Deposit or withdraw using whichever method suits you — see the full details in the table below.
| Payment method | Minimum deposit | Minimum withdrawal | Deposit time | Withdrawal time | Fee |
|---|---|---|---|---|---|
| bKash | ৳300 | ৳1,000 | Instant | Usually within 1 hour | Free |
| Nagad | ৳300 | ৳1,000 | Instant | Usually within 1 hour | Free |
| Rocket | ৳300 | ৳1,000 | Instant | Usually within 1 hour | Free |
| Bank transfer | ৳300 | ৳1,000 | 15 minutes – 1 hour | Within 1–24 hours | Depends on bank |
* Withdrawal times apply under normal conditions. Slight delays may occur during bank holidays or the verification process.
Cricket format explained
Before placing bets, it is important to understand the different cricket formats — markets and strategies vary across each format.
T20
20 overs per innings. A match typically finishes in 3–4 hours. Betting markets: match winner, top run-scorer, runs per over, number of sixes.
Most popularOne-Day (ODI)
50 overs per innings. A match finishes in 7–8 hours. Markets: total runs, 50th over score, wicket props, powerplay runs.
ICC World CupTest
Up to 5 days, unlimited overs. Markets: match/innings result, top batter/bowler, draw market. Requires more strategic analysis.
5-day battleThe Hundred
England's new format — 100 balls per innings. Fast-paced game with new betting markets — run props for every set of 10 balls.
New formatPopular cricket leagues
BPL: Bangladesh Premier League — domestic T20, a favorite among Bangladesh players.
IPL: Indian Premier League — the world's biggest T20 league with a massive betting market.
BBL: Big Bash League — Australia's T20 competition, with night matches that fall in the evening in Bangladesh.
PSL: Pakistan Super League — another popular T20 competition from South Asia.
Live casino tables
Play in real time with live dealers — feel the atmosphere of a real casino from home.
Live Baccarat
Bet on the Player or Banker. Example table limits: ৳100 – ৳50,000.
Live Roulette
Multiple betting options on European and American Roulette. Example limits: ৳50 – ৳20,000.
Live Blackjack
Beat the dealer to reach 21 points. Example limits: ৳200 – ৳30,000.
Andar Bahar
A traditional card game from South Asia — choose Andar or Bahar. Limits: ৳100 – ৳15,000.
Game show wheel
A live spin show like Dream Catcher — simple rules, an exciting experience.
Live Sic Bo
Bet on the outcome of three dice — an Asian classic game. Example limits: ৳100 – ৳25,000.
Live tables from Evolution Gaming and Ezugi
399b features live casino tables from world-class providers such as Evolution Gaming and Ezugi. High-quality video streaming, professional dealers and a multi-language interface — all available together at 399b.
View live casinoTypes of slot games
Before choosing a slot game, learn about the features of each type.
Classic slots
Traditional three-reel slots — simple rules, low complexity. NetEnt's classic series is a good example.
Video Slots
Five reels, multiple paylines, rich storylines and bonus rounds. Pragmatic Play's Gates of Olympus is one such example.
Jackpot Slots
Large prizes accumulate in a progressive pool — the jackpot can drop on any spin. Microgaming is a well-known provider.
Megaways Slots
The height of the reels changes with every spin, creating millions of ways to win. PG Soft's Mahjong Ways falls into this category.
Cascading Reels
After a win, symbols disappear and new ones drop down — giving you multiple chances to win from a single spin. Pragmatic Play's Sweet Bonanza uses this mechanic.
Cluster Pays
Instead of paylines, you win by forming clusters of matching symbols. Some popular NetEnt titles use this system.
399b VIP Program
Every game you play moves you up a tier — enjoy increasing benefits across five levels.
- Weekly Rebate
- Special Promotions
- 24/7 Live Support
- Monthly Bonus Offers
- Enhanced Cashback
- Faster Withdrawals
- Silver Exclusive Offers
- Birthday Bonus
- Premium Cashback
- Priority Withdrawals
- Gold Event Invitations
- Special Birthday Gift
- Personal Account Manager
- Exclusive Tournaments
- Fastest Withdrawals
- Special Live Events
- Maximum Cashback
- Dedicated Manager
- Exclusive Events & Gifts
- Instant Withdrawal Priority
Join 399b Now
Bangladesh's finest online betting experience is waiting for you. For players aged 21 and above.
Create an Account
RTP and House Edge Explained
RTP, or Return to Player, is the theoretical percentage of total wagers in a game that is paid back to players over the long term. For example, if a game has an RTP of 96%, it means that on average ৳96 is expected to be returned for every ৳100 wagered — the remaining ৳4 is the casino's earnings.
Typical RTP ranges for different games: slot games generally fall between 92–98%; blackjack can reach close to 99% with the correct strategy; roulette sits around 94–97% (European roulette is slightly higher).
House edge is the flip side of RTP — it is the casino's mathematical advantage. The higher the RTP, the lower the house edge.
Understanding this information helps you choose your games — but keep in mind that RTP is a long-term average and every round is independent. Play responsibly.
Football Betting
Bet on the world's top leagues — a wide range of markets for football fans in Bangladesh.
Popular Leagues & Tournaments
You can bet on Premier League, La Liga, UEFA Champions League and FIFA World Cup qualifying matches at 399b. Many major matches kick off late at night in Bangladesh Standard Time (BST, UTC+6) — so keep your account balance ready in advance.
Common Betting Markets
Betting Terms & Glossary
Simple explanations of key betting and casino terms for new players.
RTP (Return to Player)
The theoretical percentage of total wagers in a game that is returned to players over the long term. A higher RTP means more theoretical returns.
House Edge
The casino's mathematical advantage — the percentage the casino retains on average from every bet. The lower the house edge, the better it is for the player.
Wager
The specific amount of money placed on a game or bet. In the context of bonuses, wagering requirement refers to how many times you must bet before you can withdraw the bonus.
Stake
The amount of money you are putting at risk on each bet. Proper stake management keeps your bankroll going longer.
Odds
A numerical expression of the probability of an event — can be in decimal, fractional or American format. Higher odds mean a bigger payout but a lower probability.
Parlay / Accumulator
Combining multiple bets into one larger bet. If all predictions are correct you win a big payout, but a single wrong pick loses the whole bet.
Live Bet
Placing a bet in real time while a match or game is in progress. Odds change every moment, so quick decisions are needed.
Cashout
The option to take a guaranteed amount from your bet before the match or game ends. A way to exit safely before a full win or loss.
Bankroll
The total amount of money set aside for betting or gaming. Proper bankroll management is the foundation of responsible play.
Volatility
The measure of how often and how much you win in a slot game. High volatility means less frequent but larger prizes; low volatility means frequent but smaller prizes.
Free Spin
Free slot spins received as a bonus — a chance to win without spending your own money. Often available through welcome bonuses or slot promotions.
Wagering Requirement
The condition specifying how many times you must bet before bonus funds can be withdrawn. Example: 10x means you must wager ten times the bonus amount.
Cricket Sponsorship Trends
How online betting companies are linking up with cricket — an overview of the Bangladesh market.
Babu88 & the T10 League
Babu88 is known among South Asian online platforms for its association with T10 League teams. Their name association with teams like Montreal Tigers and Colombo Strikers is an example of regional sports sponsorship.
Crickex & Regional Sponsorships
Crickex manages various regional sponsorships in the cricket markets of South Asia, including Bangladesh. This strategy highlights the growing importance of cricket within the South Asian betting industry.
Jeetbuzz & Andre Russell
Jeetbuzz has appointed West Indies star all-rounder Andre Russell as a brand ambassador. This shows how betting platforms are trying to reach fans in Bangladesh through cricketers.
Industry Trends
The online betting market in Bangladesh and South Asia is growing steadily, and cricket sponsorship has become an important part of it. The international success of Bangladesh Tigers has made this market even more active.
What Our Players Are Saying
Hear from players across different parts of Bangladesh.
"During the IPL season I bet on 399b every day. Sending money via bKash takes just a minute. Withdrawals after winning have also become much faster."
"I play baccarat at the live casino regularly. Getting support in Bengali is the biggest advantage — I get answers to my questions even at 2 in the morning."
"I really enjoy playing Fortune Tiger. I deposit via Nagad, it's very easy. I received my first bonus without any hassle."
Bangladesh's #1 Choice
399b is a platform designed specifically for players in Bangladesh. Easy transactions via bKash and Nagad, 24/7 support in Bengali, and a wide range of betting markets on local sports events — all together making it the first choice for online gamers in Bangladesh.
During the BPL season or at the T20 World Cup, every Bangladesh Tigers match on 399b carries a special excitement — because there are people here who talk about Bangladesh cricket too.
Account Verification (KYC) Guide
Identity verification is essential for security and legal compliance — the process is simple and quick.
Why is KYC Required?
Identity verification is mandatory to ensure financial security and prevent unauthorized access.
Required Documents
Clear photos of both sides of your National ID (NID) or passport, proof of address, and a selfie.
Processing Time
Verification is usually completed within 1–24 hours. For urgent cases, contact us via live chat.
After Verification
Once verification is complete, withdrawal limits increase, you can participate in promotions, and your account becomes fully active.
KYC Submission Tips
- Document photos must be clear and readable — blurry or cropped images are not accepted.
- Your face must be clearly visible in the selfie; good lighting is recommended.
- Keep file size within 5MB — JPG or PNG format is accepted.
- The name on your account and the name on your document must match.
Stay Alert Against Fake Sites and Scams
Online fraudsters often create fake pages using the names of popular betting sites. The information below will help keep you protected.
Always check the correct URL and HTTPS in the address bar. The only official domain for 399b is 399b.cam.
Never share your bKash or Nagad OTP or PIN with anyone — not even someone claiming to be a support agent.
The official 399b support team will never ask for your password or full payment details.
People presenting themselves as 399b "agents" on social media are often scammers.
Change your password immediately, contact the bKash/Nagad helpline, and report the incident to 399b live chat support.
399b's Identity and Mission
399b has established itself as a trusted name in Bangladesh's online gaming and betting world. Our platform has been built from the ground up with Bangladeshi players in mind — local payment methods, a Bengali-language interface, and a gaming experience aligned with Bangladesh's sports culture are at the core of what we do.
We believe every player deserves a safe, transparent, and enjoyable environment to play in. That is why SSL encryption, fair play policies, and responsible gaming tools are an integral part of our platform. From BPL to IPL, Fortune Tiger to live baccarat — we are always ready to meet every kind of gaming need.
Our 24-hour Bengali-speaking support team is by your side whenever you need help. From Pohela Boishakh to Eid, Victory Day to the T20 World Cup — 399b is ready to celebrate every special moment in Bangladesh with you.
Play Responsibly
Gaming is for entertainment — not addiction. 399b is committed to responsible gaming.
Set a budget
Set a fixed budget before you play. Do not place extra bets trying to recover lost money.
Respect Time Limits
Avoid playing for long stretches at a time. Take regular breaks and set a daily limit on how long you play.
Keep Yourself in Check
If needed, contact support to set a deposit limit or enable self-exclusion on your account.
Seek Help
If you notice signs of addiction, seek help from family or a professional. Our support team is able to assist.
399b is for users aged 21 and above only. Opening an account or playing is strictly prohibited for minors. For more information, visit: Responsible Gaming Page.
Privacy Policy Notice
399b places the highest importance on the security of your personal information. Your registration and transaction data is protected by SSL encryption and is never sold to third parties. We collect only the information necessary to provide our services and ensure security.
Read the Full Privacy PolicyStart Playing at 399b Today
Deposit from as little as ৳300 via bKash or Nagad and get a 120% welcome bonus.
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