Details :

Wearing type : Headband
Function :Answering phone, Song switching, Bluetooth, Multi connection function, Noise Cancelling, Microphone
Connectivity : Wireless
Connecting interface : USB
Application : Mobile Phone
Plug interface: Full-sized
Frequency response : 20~20KHz
Power supply: USB port DC 5V
Standby time: Up to 2 hours
Charging time: About 2 hours
Bluetooth: Yes
Bluetooth version: V5.1
Bluetooth distance: 10m
Bluetooth band: 2.4GHz-2.48GHz
Bluetooth protocol: HSP, HFP, A2DP, AVRCP

Package List:
1 x Earphone
1 x USB charging cable