Pair up to 2 devices:Yes

Talk/Music Time:≥  15 hours

Charging Time:≥  500 hours
Standby time:≤ 1.5 hours

Main Chipsets:BlueCore® CSR8635™

Wireless Technology:Bluetooth v4.1

Supported protocol:HFP/HSP/A2DP/AVRCP

Noice reduction:6th Gen CVC™ noise reduction

Wireless Range:10 meters

Mic:1*Mic(MEMS)

Battery:250 mAh ; lithium polymer

Functional switch:MFB/Vol+/Vol-

Standard  Color:Black,White

Driver Size:2x  Φ40 mm

Water/Sweat Proof rating:IPX4