G20 TWS 5.2 Binaural True Stereo Touch Gaming Bluetooth Earphone(Black)

Model : TWS-G201. Bluetooth version: Bluetooth V5.22.Transmission distance: 10 meters 3. Battery charge: headset: 35mAh, battery case: 400mAh4. Playback time: about 7-8 hours5. Headset function: adjust volume, switch songs, answer incoming calls, refuse to answer incoming calls, hang up, Bluetooth playback, hands-free call, phone replay, Bluetooth reconnection, voice prompt, power display, magnetization.6. Horn: angle 10 mm7. Sensitivity: 108 ±5dB8. Impedance: 32Ω9. Frequency response: 20-20000 Hz10. Rated power: 15 mW x 211. Support protocol: HSP/HFP/A2DP/AVRCP