Battery capcacity:60mAh by 2pcs,total 120mAh with NFC
Charging time:1-2 hours
Standby Time: About 10 days
Talk Time: 6-8 hours
Speaker resistance: 16Ω
Bluetooth version: Bluetooth 4.1
Operation range: 10m
UNIVERSALLY COMPATIBLE with iPad,iPod Touch, Android smartphones tablets, bluetooth-enabled music players and any devices with bluetooth connection.
The bluetooth headphones fit comfortably within the ear canal so you can walk, jog, run, hike, workout, and play without them slipping or falling free.
The easily accessible on-ear control lets you keep moving while you control your music or calls.