01.07.2026 *
02.07.2026 *
02.07.2026 *
* Delivery times are approximate..
Advanced Bluetooth 5.1 technology ensures fast pairing and optimal audio connectivity, offering a more stable connection with fewer disruptions and interruptions, as well as lower power consumption. The 4smarts Bluetooth Audio B9 audio adapter with a fold-out dual 3.5 mm plug allows you to transmit sound from standard analog audio devices to wireless headphones or speakers via Bluetooth.
Use a single connector to transmit sound from analog devices such as TVs, portable game consoles, fitness equipment, and MP3 players to TWS and wireless headphones as well as Bluetooth speakers. Use both 3.5 mm audio connectors for the in-flight entertainment system.
The 4smarts Bluetooth Audio Transmitter B9 features low latency and instant audio transmission, allowing you to enjoy high-quality sound and HD video in sync.
The Bluetooth Audio Transmitter has a 200 mAh battery that provides up to 10 hours of operation and can be fully charged in less than 2 hours via USB-C.
