MINS E02 Smart Bracelet Bluetooth 4.0 Healthy Tracker Wrist Watch Waterproof IP57 Stopwatch Anti-lost Warning Passometer Sync Smart Bracelet Sports Fitness Tracker Smart Wristband Water Resistant Tracker Bracelet Sleep Monitoring Smart Watch (Black) COMPATIBLE APP SYSTEM:This Great Fitness bracelet watch support bluetooth 4.0 Android 4.3 or Above Android Smartphones, and IOS 7.0 or Above Apple iPhone& BT 4.0 system. FUNCTION:Watch function,time display, incoming call notice, camera remote, video remote, find phone, Lost warning, out of range alarm, All day tracking:step counting,distance,calorie, Sleep tracking:sleeping time,sleeping quality, Message notice (Android) and etc MOVE ALERT: alert you moving every 30 minutes,Task alert:can create at most 3 tasks,will remind you by vibration or display.perfect for office workers, weight imbalance people, sports enthusiast, exercise regularly,etc FITNESS GOAL:Fitness goal setting,24 Hours wear Comfortable 0 radiation, Synchronous data to mobile applications. Android and apple application in sync SIZE:0.84 inches OLED (96x16) ,Bluetooth synchronization; Package Content: 1* Host(built-in battery) + 1* Charging Cable + 1* Manual +1* Strap,super-long standby for 180 days,multi-functions: pedometer, sleep monitoring, stop watch, etc