Specification:
1. Earphone Type: Stereo Bluetooth earphone
2. Bluetooth Standard: V5.0
3. Operating frequency band: 2.4 GHz-2.48 GHz unlicensed ISM Band
4. Output power: Class 2 power output, up to 10 meters
5. Support Profile: HSP, HFP, A2DP Profiles
6. Battery Used: 180mAh (Rechargeable Lithium Polymer), 3,7 V DC
7. Music/talk time: about 18hours
8. Long Standby time: about 800 hours
9. Fully charged time: Less than 1 hours