Model : TWS-G101. Bluetooth version: Bluetooth V5.22.Transmission distance: 10 meters 3. Battery charge: headset: 35mAh battery compartment: 400mAh4. Playback time: about 5-6 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.Headset parameters:6. Horn: angle 10 mm7. Sensitivity: 108 ±5dB8. Impedance: 32 Ω9. Frequency response: 20-20000 Hz10. Rated power: 15 mW x 211. Support protocol: HSP/HFP/A2DP/AVRCP12. Headset color: black, pink, white

http://olla.gr/g10-tws-5.2-binaural-true-stereo-touch-game-bluetooth-earphone-pink/