Stereo head-loop Sport Wireless Bluetooth Headset Headphone Handsfree Brand New Type: Bluetooth Headset Ear Coupling: Earbud (In Ear) Talk Time: Up to 10 Hours Music Time: Up to 7 Hours Standby Time: Up to 250 Hours Charge Time: 2-3 Hours Operating Range: 10M Bluetooth Version: V2.1 + EDR Class II