Description:Name: Smart WatchModel: CY900;Compatible for IOS/Android system;Chip: Jeri 7012 (single chip dual mode, Compatible for IOS/ Android single connection);app: CO FIT;Compatible for Android 4.4 and later versions;Compatible for ios 10.0 or above;Heart rate sensor: VC30F (with live detection);Wireless: 5.0;Waterproof level: IP67;Product process: zinc alloy + vacuum plating;Screen size: 2.1 inches (curved curved screen);Screen resolution: 240x296;Screen type: IPS full-view color screen;Screen material: glass;Total length of wrist strap: 260mm;Wrist strap material: silicone;Battery type: Lithium battery;Battery model: 452027 polymer;Battery voltage: 3.7V;Battery capacity: 230mAh;Battery life: 7-10 days for normal connection, 15-20 days for standby. (Connection use depends on personal use);Charging mode: magnetic charging;Charging time: about 2 hours;Languages supported by the app: Chinese, English, German, Russian, Spanish, Portuguese, French, Japanese, Italian, Polish, Korean, Arabic, Thai, Vietnamese, Traditional Chinese, Danish, Greek, Latin, Romanian. Turkish, Hebrew, Czech Indonesian;Supported languages: English, Chinese, Traditional Chinese, Danish, Greek, Latin, Romanian, Turkish, Hebrew, Czech, Polish, Spanish, German, Russian, Portuguese, French, Japanese, Italian, Vietnamese, Korean, Arabic, Thai, Indonesian;Packing list:1 x smart watch1 x USB cable1 x instruction manual1 x packaging box