1. Bluetooth version: V5.2
2. Supported protocols: RX: A2DP AVRCP, TX: A2DP
3. Working frequency band: 2.402GHz -2.480GHz
4. Power class: class 2
5. Signal to noise ratio: greater than or equal to 99.3dB
6. Distortion: less than or equal to 0.1%
7. Support one-to-two connection
8. Support connecting two mobile phones
9. Codec mode: TX: aptX Adaptive/aptX HD/aptX LL/aptX/SBC; RX: aptX Adaptive/aptX HD/aptX/AAC/SBC
10. Working current: less than 22MA
11. Built-in battery: 250MAH
12. Charging current: about 200MA
13. Charging time: about 2 hours
14. Battery life: RX: 20H; TX: 12H
15. Bluetooth distance: greater than 10M (open space)
16. Charging method: USB TYPE-C 5V/0.5A
17. LED lights: audio coding light*1, charging indicator*1, A status light*1, B status light*1
18. Compatible: RX: mobile phone, PAD, PC with Bluetooth function; TX: Bluetooth speaker or headset that supports A2DP protocol can be connected for use
19. A single independent A and B button can control the connected device independently
20. With a separate audio light to identify the audio transmission method
21. Support RX, TX dual connection function
22. 3.5MM audio input/output interface, strong versatility
23. The product connection is simple, without any cumbersome driving and downloading APP
24. Dimensions: 55x35x12mm
25. Weight: 17g
