High Quality Headset comes with 360 degrees rotatable ear hook which perfectly fits your left or right ear Lightweight: 12 g Comfortable to wear & Secure Fit Clear Sound, No Surrounding Noise Long Battery Life: 60 days/1440 hrs STANDBY 24 hrs TALK TIME 22 hrs MUSIC PLAY Voice quick activation of SIRI Phone virtual assistant wake-up by one click 15-meters wireless range with high-quality sound Can pair with two cell phones or computers at the same time. Switch between connected devices at any time for work or entertainment. Stable CSR CHIP Bluetooth Connection & Wide Compatibility for iPhone IOS, Samsung Android Fast & stable connection Auto connection after first-time connection No interruption by disconnecting