LG LGHBS-760.ACUSMEI Power Blue HBS-760 Tone Pro Bluetooth Stereo Headset Type: Bluetooth Stereo Headset Ear Coupling: Behind the Neck Talk Time: Up to 16 hour(s) Music Time: Up to 10.5 hour(s) Standby Time: Up to 23 day(s) Charge Time: Less than 2 hour(s) Bluetooth Version: 4.1 Bluetooth Profile: HFP 1.6, HSP, A2DP, AVRCP