New WT50 Ear-mounted Sports Bluetooth Headset Wireless Waterproof

Product information:
Color: Black
Model: WT50
Bluetooth version: Bluetooth V4.2
Standby time: 300 hours
Call time: 9 hours
Music Time: 8 hours
Charging time: 1.5 hours
Frequency range: 20Hz-20KHz
Battery capacity: 60mAhx2
Communication Distance: 10 meters
Supported protocols: HSP, HFP, A2DP, and AVRCP
Material: ABS TPE silicone
Net Weight: about 10g