BT-W2

Version: Bluetooth V4.1+EDR
Mini Sport bluetooth earphone; Metal Case

Support:A2DP,Headset,Hands-stereo

Talking time:3-4H
Standby time:≥100H
Effective distance:10M
Charging time:within 2h
Charging boltage: DC 5V
DSP technology: Noise reduction & Echo cancellation