1. Headset Wireless specification: Wireless V4.2 JL hence A2DP, AVRCP, HSP, HFP protocols support.
2. Transmission range is 10 meters which is certainly very convenient.
3. Charging voltage: DC5V. Charging time about 2 hours, talk time 3.5 hours, music time 3.5 hours, while standby time is 90 hours or more.
4. Battery capacity: 80mAh. Speaker size: 14mm. Weight only 21g therefore you can workout without any burden.
5. Finally, battery display for Apple phones and some Android phones will allow you to check power level and charge on-time. p>