Online betting at 399bit — win with bKash, get your money in just 30 minutes
From cricket betting to live casino — everything on one platform. Deposit via bKash, Nagad or Rocket, and receive your winnings directly to your mobile wallet.
Welcome Bonus — double your first deposit
Get 200% bonus on your first deposit — up to ৳15,000.
- Deposit ৳1,000 and get a ৳2,000 bonus — total balance ৳3,000
- Deposit ৳16,000 and get a ৳15,000 bonus — total balance ৳31,000
- Wagering requirement: only 10x
- Minimum deposit: ৳100
- Direct deposits accepted via bKash, Nagad and Rocket
For players aged 21 and above only. Terms and conditions apply.
Fast deposits and withdrawals via bKash and Nagad
More than 60% of people in Bangladesh do not have a bank account, but they do have a mobile wallet. That is why 399bit supports deposits and withdrawals directly from mobile wallets — no hassle, no restrictions.
Bangladesh's largest mobile wallet. Deposit from ৳100 to ৳50,000. Just 3 steps.
Government-backed mobile service. ৳100 to ৳50,000. Usable from anywhere in Bangladesh.
Dutch-Bangla Bank's mobile service. ৳100 to ৳50,000. Safe and fast transactions.
How fast are withdrawals?
After requesting a withdrawal, your winnings are usually sent directly to your bKash, Nagad or Rocket within 30 minutes to 3 hours. Minimum withdrawal is ৳1,000.
How to Get Started
Start your journey at 399bit in just four steps. The entire process is in Bengali and can be done from your mobile phone.
Register
Open an account in just 2 minutes with your mobile number and password.
Log In
Log in securely with your registered mobile number and password.
Deposit
Add balance with as little as ৳100 via bKash, Nagad or Rocket and receive a 200% bonus.
Bet and Win
Place bets on your favourite games — cricket, slots or live casino.
Why Choose 399bit
Fastest Withdrawals
Winnings sent directly to your mobile wallet within 30 minutes to 3 hours.
Fast PaymentSecure Platform
SSL encryption and fair play ensure all your information stays protected.
Secure24/7 Support in Bengali
Live chat support in Bengali is always ready to help with any issue.
24/7Attractive Bonuses
200% bonus on first deposit, regular cashback and VIP benefits.
BonusCricket Betting
Live betting on all major tournaments including BPL, IPL and T20 World Cup.
LiveDiverse Games
Slots, live casino, crash games, fishing and much more.
Multiple CategoriesMobile Friendly
Play easily on any Android or iPhone — no app download needed.
MobileVIP Program
Weekly cashback, a personal account manager and access to special events.
Exclusive
Live Casino Tables
Play with real dealers in real time — enjoy the casino experience from home.
Baccarat
Bet on Player or Banker. Example limits: ৳100–৳50,000
Roulette
European and American formats. Example limits: ৳200–৳30,000
Blackjack
Beat the dealer by reaching 21. Example limits: ৳100–৳25,000
Andar Bahar
Popular South Asian card game. Example limits: ৳100–৳20,000
Game Show Wheel
Bet on the big wheel. Example limits: ৳100–৳10,000
Sic Bo
Dice-based Asian classic. Example limits: ৳100–৳15,000
Crash Games — fast and thrilling
Aviator and other crash games have become very popular in Bangladesh. Each round lasts just a few seconds to a few minutes.
How to play: a flying plane or rocket climbs higher and the multiplier keeps increasing. You need to cash out before it crashes. The longer you wait, the higher the multiplier — but the risk increases too.
Spribe's Aviator has an auto cash-out option — set a multiplier in advance and it will cash out automatically at that point.
Types of Slot Games
Slots are not just about spinning — there are now many different mechanics and themes. Find out which type suits you best.
Classic Slots
3 reels, simple rules — built around fruit and bar symbols. Ideal for beginners. Providers: NetEnt, Microgaming.
Video Slots
5-reel slots with animations and bonus rounds. Examples: Gates of Olympus (Pragmatic Play), Fortune Tiger (PG Soft).
Jackpot Slots
A portion of each bet pools together to build one large prize. Provider: Microgaming.
Megaways Slots
The height of the reels changes with every spin, creating thousands of ways to win. Example: Mahjong Ways 2 (PG Soft).
Cascading Reels
Winning symbols disappear and new ones drop in — giving you multiple chances to win on a single spin. Example: Sweet Bonanza (Pragmatic Play).
Cluster Pays
You win by forming groups of matching symbols side by side, not by lines. Example: Sugar Rush (Pragmatic Play).
How to Read Odds
Understanding odds is the most important part of betting. Odds tell you how much return you will get and the probability of an outcome occurring.
Decimal Odds (simplest)
Example: betting ৳500 at odds of 1.80 — if you win, you receive ৳500 × 1.80 = ৳900 (original ৳500 + profit ৳400).
Implied Probability
Odds of 1.80 means a 55.6% chance of winning. Formula: 1 ÷ 1.80 × 100 = 55.6%. The lower this probability, the higher the odds.
| Format | Example | Explanation |
|---|---|---|
| Decimal | 1.80 | Total return including stake |
| Fractional | 4/5 | Profit ratio only |
| American | -125 | ৳125 bet, ৳100 profit |
RTP and House Edge Explained
RTP, or Return to Player, is a theoretical figure that shows how much of the total amount wagered on a game is returned to players over the long term. For example, if a game has an RTP of 96%, it means on average ৳96 is returned for every ৳100 bet — but this is an average across millions of spins, not a guarantee for any single session.
The typical RTP range varies by game type. Slot games generally show an RTP of 92–98%. In blackjack, following the correct strategy can bring the RTP close to 99%. European-format roulette typically has an RTP of 94–97%.
House edge is the opposite of RTP — it is the casino's average advantage. If the RTP is 96%, the house edge is 4%. A lower house edge means relatively better conditions for the player.
Knowing the RTP before you play is important because it helps you make informed decisions. Keep in mind, though, that a high RTP does not guarantee a win — it is purely statistical information.
399bit VIP Program
The more you play, the more benefits you earn. 399bit's four VIP tiers reward your loyalty.
Bronze
0.2% weekly cashback
- Weekly bonus offers
- Dedicated email support
- Access to regular promotions
- Eligibility for account tier upgrade
Silver
0.4% weekly cashback
- Faster withdrawal processing
- Special reload bonus
- Birthday bonus gift
- Opportunity to advance to a higher tier
Gold
0.6% weekly cashback
- Priority withdrawal
- Personal account manager
- Exclusive tournament invitations
- Gifts on special occasions
Platinum
0.8% weekly cashback
- Highest priority withdrawal
- Dedicated personal manager
- Exclusive events and tour packages
- Highest bonus limits and special offers
Move up to higher tiers naturally through regular play.
Start Your VIP Journey
Refer a Friend — Win Together
Invite your friend to 399bit. When your friend joins, you both receive rewards.
Share Your Referral Link
Copy your personal referral link from your account and share it with your friend.
Friend Registers and Makes First Deposit
Once your friend opens an account using your link and makes their first deposit, the referral will be activated.
Both of You Get Rewarded
You will receive a bonus, and your friend will also receive a welcome bonus.
Fair Use Terms
- You cannot refer yourself
- One account per device only
- Creating fake accounts to earn referrals is not allowed
- Wagering requirements apply to referral bonuses
Bankroll Management Guide
Managing your money is essential to playing responsibly. It keeps your entertainment lasting longer and under control.
Set a budget: Only play with an amount that, if lost, will have no impact on your daily life. That is your gaming budget.
Divide into sessions: Split your total budget across several sessions. Do not spend more than 20–25% of your total budget in a single session.
1–5% bet rule: Each bet should not exceed 1% to 5% of your session budget. This lets you play for longer.
Take a break after a win: When you reach a set target, take a break. Keep your winnings safe — do not bet all your gains back.
Set a loss limit: If you lose 50% of your session budget, stop for the day. It is important to avoid the temptation of placing larger bets to recover losses.
Account Verification Process
KYC (Know Your Customer) verification ensures the security of your account and helps prevent money laundering. It is an international standard — in place for your own protection.
National Identity Card
Clear photos of both the front and back of your Bangladesh National ID (NID) or passport.
Proof of Address
A utility bill or bank statement clearly showing your name and current address.
Selfie Verification
A clear selfie of you holding your ID card — both your face and the document must be clearly visible.
After Verification
Typically completed within 1–24 hours. Full withdrawal access is activated once verification is complete.
Security and Trust
399bit ensures a safe and transparent environment for users across Bangladesh, from players in Dhaka to those throughout the country.
SSL Encryption
Banking-grade 256-bit SSL encryption keeps your personal information and financial transactions secure.
Fair Play Guarantee
All games use verified RNG (Random Number Generator) — every result is completely fair.
24/7 Bangla Support
Whenever you need help, our live chat is available around the clock in Bengali. Fast and effective support is our commitment.
Responsible Gaming Tools
Gaming is for entertainment — not dependency. 399bit places the highest importance on every player's mental wellbeing and financial security.
Self-Exclusion
If you feel gaming is getting out of control, you can temporarily or permanently close your account on your own.
Deposit Limits
Set a maximum daily, weekly, or monthly deposit limit — once set, it cannot be changed easily.
Loss Limits
Set a loss limit for a specific period. When the limit is reached, gaming will stop automatically.
Session Time Limits
Set a limit on how long you play in one sitting. When the set time is up, your account will log out automatically.
Reality Check
At set intervals, your screen will show your playing time and current balance.
Self-Assessment Quiz
Use our self-assessment quiz to find out whether your gaming habits are healthy.
For ages 21+ only
If gaming becomes a problem, contact our 24/7 live chat support immediately. We will help you get the right support.
To learn more, visit our Responsible Gaming page.
Players' Experiences
"With some other platforms, withdrawing to bKash used to take 2 days. At 399bit, I received my first withdrawal within about an hour. I was genuinely surprised."
"I bet on every match during the BPL season. The cricket odds here are quite good and live updates come through instantly. Having support available in Bengali means any issue I run into gets resolved easily."
"The Aviator game felt intimidating at first. But the auto cash-out feature here lets me stick to my own limits while playing. I genuinely received the 200% bonus too — and meeting the conditions was not difficult."
Customer Support Channels
We are always here for you with any question or issue. You can reach support through either of two channels.
24/7 Live Chat
Use live chat for the fastest resolution. You can communicate in Bengali — any time of day or night.
- Deposit and withdrawal issues
- Account login and verification
- Bonus and promotion enquiries
- Game technical support
Email Support
For complex matters, KYC document submission, or detailed complaints, send us an email. Our team will respond as quickly as possible.
Email address:
- KYC document submission and appeals
- Account limit change requests
- Detailed complaints and feedback
Join 399bit Now
Deposit ৳100 via bKash or Nagad and get a 200% bonus — start today.
Open AccountFor ages 21 and above only. Play responsibly.
399bit keeps your personal information completely safe and confidential. We never sell your information to third parties. By using our site, you are considered to have agreed to our Privacy Policy. Visit our Privacy Policy page to learn more.