Grde Wireless Bluetooth Stereo Headset, Neck Style Headphone for iPhone Samsung Galaxy Note and Other Bluetooth Enabled Devices Wireless sports style: light weight, flexible neck band design with crystal clear sound. Offers 6 hours talk time, 6 hours play time and 90 hours standby time CSR 8645 bluetooth 4.0: you can connect your cellphone with the headphone within 10 meters. Also, you can connect two device at a time Noise cancellation: In-ear Style can bring you a wonderful surrounding to enjoy beautiful music even in the noisy street Voice guidance: help to operate the headphone easily. Call, Answer and Redial the last number. Whats more, it will inform you when the battery is low An armband is included, which can place cellphone,earphone,MP3,ipod,keys, ID cards and other accessories. Durable and lightweight armband will keep your cellphone safe and protected.