*Audio stereo earphone with built-in Mic for hands-free calling
*Speaker: 10mm
*Bluetooth version: V4.1+EDR, Chipset: CSR8635
*Support Bluetooth HSP, HFP, A2DP and AVRCP
*RF frequency range: 2.402-2.480GHZ, 2.4G ISM band *Operating range: 10M
*Talking time: about 8Hours
*Music playing time: 6 Hours
*Standby time: 180Hours
*Battery: 50mA
Features:
* High definition sound
*Volume control switch in-line
* Light weight for sports
* Waterproof and dustproof rubber painting
* Powerful 50mA battery for lone working time