R11 Wireless Stereo Bluetooth4.0 Headset Headphone Earphone Handsfree Ear Coupling: In the Ear Talk Time: About 5 hours Music Time: About 4 hours Standby Time: About 180 hours Charge Time: About 2 hours Operating Range: 10m Bluetooth Version: V4.0+EDR Bluetooth Profile: hands free/headset profile A2DP?AVRCP
