B4S Car Bluetooth 5.3 Wireless Transmitter Receiver 3.5mm Audio Adapter

B4S Car Bluetooth 5.3 Wireless Transmitter Receiver 3.5mm Audio Adapter 1. Dual Mode Functionality: Seamlessly switch between receiver (RX) and transmitter (TX) modes with one-key operation. RX mode receives Bluetooth signals for wireless music streaming from phonestabletslaptops to speakersheadphonescar audio. TX mode transmits Bluetooth signals from fitness equipmentlaptopsTVs to BT speakersheadphones. 2. Universal Compatibility: Compatible with any device featuring 3.5mm AUX audio inputoutput interface, including laptops, tablets, TVs, car audio systems, active speakers, gaming consoles, and both wired and BT headphones. 3. Advanced Bluetooth 5.3 Technology: Features BT 5.3 chip providing low latency, high stability, fast response, and strong anti-interference capability with automatic reconnection support for reliable wireless connections up to 5-10 meters. 4. High-Fidelity Audio Quality: Built-in high-performance decoding module with high sampling rate eliminates current noise and background hiss, delivering clear and distortion-free Hi-Fi audio output for superior listening experience. 5. Hands-Free Calling Safety: Built-in microphone enables crystal-clear hands-free calling, enhancing driving safety during phone conversations and supporting video conferences in various scenarios. 6. Portable Design & Long Battery Life: Compact aluminum alloy construction (5.7 x 3.2 x 1.4cm, 181g) with 200mAh battery providing 8-10 hours of continuous use, perfect for travel and mobile applications. Specifications: 1. Model: B4S 2. Material: ABS plastic body with aluminum alloy housing 3. Battery Capacity: 200mAh 4. Working Voltage: 12-24V DC5V 5. Input Current: 5V1A 6. Transmission Distance: 5-10m 7. BT Version: 5.3 8. Operating Temperature: 0-55 degree centigrade 9. Product Size: 5.7cm (H) x 3.2cm (W) x 1.4cm (D) 10. Product Weight: 181g 11. Charging Time: Approximately 2 hours 12. Battery Life: RX mode 8 hours, TX mode 10 hours 13. Interface Type: Type-C charging port, 3.5m