TAIR headset (white) An accelerations sensor,helps tracking your steps,estimates the calories you burned The built-in Mic with voice prompts and voice message can answer incoming calls. Caller ID broadcast with sweet voice,press one button to answer any call Sweat-proof, can be used around the swimming pool or when wet from work out or sports use (but not dip it in the water) Note: APK support Android,IOS Waiting for the update