1) small size, delicate appearance and comfortable materials; 2) real-time tracking at interval of 60s; 3) lbs and wifi for accurate indoor positioning; 4) low-power consumption, battery life lasts for more than 3 days; 5) preset 16 dialing numbers; 6) making call and receiving call; 7) voice monitoring; 8) wechat voice message; 9) wechat interaction; 9) history playback; 10) geo-fence alarm; 11) emergency alarm; 12) remotely close watch from app; 13) set alarm clock; 14) counting steps; 15) water resistance .
