Original Zonoki S1 Wireless Bluetooth 4.0 Stereo Earphone Fashion Sport Running Headphone Studio Music Headset with Microphone

Bluetooth version:V4.0

Chip:CSR

Operating range:10M

Battery capacity:80mAh

Call time:6 hours

Charging time:1-2 hours

Voice support:Yes

Support protocol:HFP,HSP,A2DP,AVRCP

Noise reduction:DSP

Song switch:Yes