LG HBS-900 Silver TONE INFINIM Wireless Stereo Headset Type: Bluetooth Headset Ear Coupling: Behind the Neck Talk Time: Up to 17 hour(s) Music Time: Up to 14 hour(s) Standby Time: Up to 23 day(s) Charge Time: 2 Hours Operating Range: 33 Feet Bluetooth Version: 3.0