X-LIVE B220 CSR Stereo Wireless Bluetooth 4.1 Sports Jogging Headset Headphone for with Microphone Compatible for iPhone iPad Android phone and Smartphones (White) Wireless Bluetooth Sports Headset :Professional Bluetooth CSR chip, high performance SBC codec, support aptX code. Human Engineering Design, and can just fit naturally with the cochlea. Bluetooth headset with stylish, powerful, compatibility, allows you to experience the truly wireless phone calls and enjoy music. Bluetooth 4.1 Version single is much more stable than any headset in the market. Adopt Echo cancellation and CVC6.0 Noise Cancellation Technology Compatible with iPhone,Samsung,HTC and other bluetooth-enabled devices