1. Bluetooth version: Qualcomm 5.2
2. Bluetooth protocol: A2DP AVRCP HFP HSP
3. Frequency range: 2.402GHz-2.480GHz
4. Frequency response: 100Hz-20kHz
5. Audio encoding: SBC/APTX/APTXLL/APTXHD/APTX Adaptive
6. Lowest latency: 40 ms in APTXLL mode
7. Support for calling: Only one receiving device is valid in call mode
8. Transmission distance: 10 meters
9. Number of connected devices: 2
10. Signal-to-noise ratio: >90dB
11. Input mode: USB drive-free / optical fiber / coaxial / AUX
12. Support system: Win-ALL Linux/Apple/PS4-5/Android
13. Note: If there is no cable, the power supply cord will be distributed