S301 Bluetooth Stereo Wireless Handfree Sport Headset Earphone Headphone with Mic For Smart Phone Type: Bluetooth Headset Noise Reduction: Yes Ear Coupling: In the Ear Talk Time: Up to 3 hour(s) Music Time: Up to 3 hour(s) Standby Time: Up to 100 hours Operating Range: about 10 meters Bluetooth Version: 2.1
