LG HBS-S80.ACUSBLI Blue Force Bluetooth Headphones Type: Bluetooth Stereo Headset Ear Coupling: In the Ear Talk Time: Up to 6.50 hour(s) Music Time: Up to 6 hour(s) Standby Time: Up to 16.6 day(s) Operating Range: 33 Feet Bluetooth Version: 4.1 Bluetooth Profile: Advanced Audio Distribution (A2DP), Audio/Video Remote Control (AVRCP), Hands-Free (HFP), Headset (HSP)