M4 Smart Wristband Bluetooth Fitness Tracker Support Notify/ Blood Pressure Measurement Waterproof Smart Watch for Samsung/ Iphone/ Android Phones

Model:M4; Gender:Men Women; Languages:English; What's in the box:English and Chinese Manual,1 USB Charging Cable; Screen Type:Resistive Screen; Supported Operating Systems:Android; Connection:OTG; Type:Smart Bracelet Smartwatch; Material:TPU; Fitness & Wellness:Sleep Tracker,Temperature Display,Calendar,Altimeter,Chronograph,Pedometer,Alarm Clock,Stopwatch; Compatibility:Android; Item Type:Xiaomi Smartwatch; Brand:LITBest; Features:Sports,Smart,Heart Rate Monitor; Listing Date:10/21/2019; Production mode:External procurement; Instructions:English