ZA GUMBO TW64 Wearable Smart Wristband Bracelet, Bluetooth4.0/OLED/IP67/Pedometer/Sleep Tracker for Android/iOS(Delivery color random)

General Brand kimlink, Service Provide Unlocked, Services and Applications Connectivity Bluetooth4.0, Supported Operation System Android, iOS, Sensor Gravity Sensor, Fitness & Wellness Alarm Clock, Timer, Sleep Tracker, Activity Tracker, Features Water Resistant, Display Display Size(Inch) 0.49, Screen Resolution 64*32, Screen Type(Display Technology) AMOLED, Hardware ROM 40KB, Battery Capacity(mAh) 40, Charging Time 2H, Stand-by time 7days, Dimensions Material Rubber, Dimensions / WxDxH 24.2*2.0*1.0cm, Color Black, Net Weight(kg) 0.045, Packing List Packing List User manual - English, USB Cable,