Wireless Bluetooth Sports Headset Earphone Headphone for Samsung iPhone HTC US Black Type: Bluetooth Stereo Headset Noise Reduction: Yes Ear Coupling: In the Ear Talk Time: Up to 4 hour(s) Music Time: Up to 4 hour(s) Charge Time: 1-2 Hours Operating Range: up to 10m Bluetooth Version: 1.2/V2.1,wireless transmitter standard of class II
