Featuresr you must connect phone through bluetooth before user for android 43 ios 80 bluetooth 40 or above smartphonesr intelligent alarm monitor sport sleep condition super large oled display longer standby time etcr customizable band app we can achieve sleepsport monitoring and search for band by using cubot v1 app more functions like share your sport condition to wechatmoments update the firmware of this band really useful and funnyr bayer tpu skin friendly material comfort