GLCON G-01 Wireless Bluetooth Headset 4.0,Voice Answering n Microphone Mic Voice Number Prompt in Driving GYM Sport BT Headphone Earphone Earpiece for iPhone LG Nokia HTC Blackberry Sony Pixel White Crystal Clear Stereo Sound - Powered by latest top rank CSR broadband Echo/Noise Cancellation Chipset (CSR8645), A2DP profile and patent DSP noise Reduction Technologies Ergonomic Comfortable Wearing - Ergonomic in ear design with medical grade silicone eartips, fit for both ears in perfect condition either with earhook or not Easiest Control and Absolutely Handsfree - Simple speak out 'YES' or 'NO' to answer/refuse incoming calls. And there is voice broadcasting of incoming call number helping you to know who is calling. Plus full set of music control command: Play, Pause, Next, Previous and Volume Control Simplified Pairing Operation - No need to remember the contents in manual of how to pair, simply switch on the headset and pair it from cell phone side Long Standby Time - 7 hours of Talking/Music Playing time and 8 days of standby time with a single charge