Learn About Us
b399 is a safe, reliable, and enjoyable online betting and casino platform built for players in Bangladesh — where fair play and the highest level of security are always guaranteed.
The Story of b399
b399 was built around a simple but powerful goal — to give every player in Bangladesh a secure, transparent, and exciting online betting experience. We believe a great platform is not defined by the number of games it offers, but by the trust and satisfaction of every player. Every service and feature at b399 has been planned with that idea in mind.
Understanding the lifestyle, preferences, and digital habits of people in Bangladesh, we have shaped the b399 platform accordingly. From integrating local payment methods like bKash, Nagad, and Rocket to providing full service in the Bengali language — everything has been done with Bangladeshi players in mind. Anyone can get started with a minimum deposit of ৳500 and enjoy a 120% welcome bonus.
Our mission is to build a platform where every player feels secure. SSL encryption technology keeps your personal information and financial transactions fully protected. Every game on b399 operates under a fair play policy — no manipulation, no hidden terms.
The world of entertainment at b399 is vast. From cricket betting to live casino, slots, fishing games, and card games — everything is available in one place. Through partnerships with world-class game providers such as Pragmatic Play, PG Soft, JILI, Spribe, and Evolution Gaming, we ensure you always enjoy games of the highest quality.
To ensure our users are always looked after, b399 provides support via live chat and email seven days a week, twenty-four hours a day. Support is available in both Bengali and English, so no player is ever left alone when facing an issue. Withdrawals are typically processed within 30 minutes to 3 hours, making it one of the fastest in Bangladesh's online betting sector.
Responsible gaming is an important part of our core values. b399 provides services only to those aged 21 and above. We believe entertainment should be enjoyed within limits and with awareness. The well-being and happiness of our players is the greatest measure of our success.
Why Choose b399?
Top-Level Security
SSL encryption technology keeps all your personal information and financial transactions completely safe. Registration and payments at b399 — everything is encrypted.
Fast Payments
Deposit and withdraw easily via bKash, Nagad, Rocket, and bank transfer. Withdrawals are typically processed within 30 minutes to 3 hours.
Generous Bonus Offers
New players receive a 120% welcome bonus, up to ৳20,000. With only a 10x wagering requirement, this is one of the most attractive offers in Bangladesh.
24/7 Support
Get instant help via live chat or email for any issue. A skilled support team is always ready in both Bengali and English.
VIP Program
Earn weekly cashback across three VIP tiers — Bronze, Silver, and Gold. The more you play, the more you are rewarded. Gold tier offers up to 1.2% weekly cashback.
Huge Game Library
Slots, live casino, cricket betting, fishing games, and much more — enjoy games from world-class providers all on one platform.
Our Values
Transparency and Trustworthiness
Every game at b399 is run on a fair play basis. Bonus terms and conditions are presented clearly and there are no hidden charges.
Player-Centered Approach
Every decision we make is aimed at improving the player experience. Your feedback and needs are our top priority.
Responsible Gaming
We believe entertainment should be enjoyed with awareness. b399 is for players aged 21+ only and responsible gaming tools are always available.
Innovation and Improvement
b399 is constantly evolving to keep up with technology. We are always working to bring new games, new features, and an improved user experience.
Built for Bangladesh
Local payment methods, service in the Bengali language, and games favored by Bangladeshi players — together, b399 is truly a platform of its own for Bangladesh.
Simple Payment Methods
bKash
Minimum deposit ৳500. Complete transactions quickly right from your mobile.
Nagad
Minimum deposit ৳500. Deposit and withdraw easily with Nagad.
Rocket
Minimum deposit ৳500. Safe and fast payments with DBBL Rocket.
Bank Transfer
Minimum deposit ৳500. Major banks including Sonali, Dutch-Bangla, and BRAC.
Minimum withdrawal ৳1,000. Typically processed within 30 minutes to 3 hours.
Join b399 Now
Enjoy the best online betting and casino experience in Bangladesh. Start with a 120% welcome bonus and explore our huge game library.
For players aged 21+ only. Play responsibly.