C21 Smartwatch BT Fitness Tracker Support Notify/ Heart Rate Monitor/ Calories Burned for Samsung/ Iphone/ Android Phones

Model:C21; Gender:Men Women; Languages:English,Polish,Norwegian,Arabic,Simplified Chinese,Japanese,Russian,Spanish,German,French; What's in the box:1 USB Charging Cable,Body,English and Chinese Manual; Support extend card:No; Screen Type:OLED; Sensor:Gravity Sensor; Supported Operating Systems:iOS 7 and above,Android 4.3 and above; Connection:Bluetooth; Type:Smart Bracelet Smartwatch; Material:ABS; Fitness & Wellness:Sleep Tracker,Calendar,Pedometer; Compatibility:Android iOS; Item Type:Bluetooth Smartwatch; Features:Sports,Smart,Waterproof,Calories Burned,Heart Rate Monitor; Listing Date:11/13/2019; Production mode:External produce; Instructions:English