Wireless Headset Borofone with microphone BO4 bluetooth 3.5mm Black  

Specifications:
Bluetooth version: 5.0
Range: 10m
Driver size: 40mm
Support: TF Card, AUX Input
Battery: 200mAh
Playing time: 5 hours
Standby time: 200 hours
Dimensions: 175 x 165 x 67mm
Weight: 145g