X-LIVE Wireless Bluetooth Headset Earpiece with Microphone and SELFIE Function (Black) X-LIVE B102 V4.1 Selfie Bluetooth Headset with microphone : to provide HD crystal clear sound, high-fidelity stereo music and clear speech, enjoy CD quality stereo sound instantly. Lightweight and Comfortable Wearing:Ultra light design-0.24(OZ), ergonomically designed to make sure comfortable wearing Selfie Function :open the camera app on the phone, after that press the power-on button of the headset. one click for selfie easily, recording the beautiful moments. High Convenience: it can receive phone call at any moment. Receive or cancel incoming call at the click of a button on the headphone. It will show battery meter onscreen with IOS system. High Capacity: About 4 days standby time, up to 4 hours of Talk/Playing Time. Let you connect two devices at the same time by Integrated Multi-point Technology .