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 phones/tablets/laptops to speakers/headphones/car audio. TX mode transmits Bluetooth signals from fitness equipment/laptops/TVs to BT speakers/headphones.
2. Universal Compatibility: Compatible with any device featuring 3.5mm AUX audio input/output 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, 3.5mm AUX audio interface