Bluetooth Headphone 1.Volume Button 2.In-ear Speaker 3.Built in battery 4.Colorful Housing

 Specification:

Bluetooth Specification: V2.1 + EDR

Bluetooth Profiles Supported: Headset, Handsfree

Operation Range: Up to 10 meters

Calling Time:6 hoursHolding Time:18 0hoursOutside Size:  51*24*12mmWorking Area: 3-10 MetersWeight: 15gBattery: polymer Lithium cellSupporting Bluetooth Agreement V2.0Color:red  silver black

Bluetooth Headphone