Bluetooth headset

Connectors:USB
Use:Portable Media Player, Mobile Phone, Computer
Function:Bluetooth, Microphone, Noise Cancelling
Cord Length:wireless
Blue tooth veertion:V4.2+EDR
Usage:Support bluetooth
Drive size:40mm
Sensitivity:110dB
Operation distance:10m
Frequency response:20Hz-20kHz
Talk time:about 6 hours
Standby time:200 hours
Charge time:About 1.5-2hours
Battery:250mAh