Niceshop&reg; Wireless Stereo Bluetooth Headset with AX-663 Sports Running Bluetooth 4.0 Headphones In-Ear Earphones with Microphone Noise Cancellation for Jogging / Exercise / Fitness / iPhone 5 5s, iPhone 4 / Samsung Galaxy S5 S4 S3 / iPad Air, iPad 4/3/2 / HTC One M7 M8 / Google Nexus / Sony Xperia / Mobile Phones / PD (Black) Sports Stereo Bluetooth headset with back-hang in-ear style, Foldable design provides maximum portability Listen to music on your mobile phone and answer calls wirelessly while running or jogging with these lightweight Sports Bluetooth headphones Integrated Microphone Handsfree Function Convenient controls for adjusting volume and skipping forward/back in a playlist, answer calls easy-to-use functions. Wirelessly enjoy stereo music from all A2DP-enabled devices, such as iPhone 5 5s, iPhone 4 / Samsung Galaxy S5 S4 S3 / iPad Air, iPad 4/3/2 / HTC One M7 M8 / Google Nexus / Sony Xperia / Mobile Phones / PDA / Tablets