True wirelss earphones clear sound quality

[2018 NEW arrival]

Style: In-Ear
Communication: Wireless
Connectors: USB
Use: Mobile Phone
Function: Bluetooth, Microphone
Place of Origin: Guangdong, China (Mainland)
Bluetooth version: V4.2
Frequency response: 20Hz-20KHz
Frequency range: 2.4GHZ-2.48GHZ
Standby time: 100 Hours
Music play/talking time: 3.2hours
Working distance: 10 meters
Charging time: 1.5hours
Charging box times: 4 hours
Support Association: Handsfree Headset A2DP DSP
Headphone Weight: 5.2g/single