Basic Information: Model CUBOT V1 Color Black \/blue \/gray Material TPU+ PC Strap Medical-grade TPU Display Size 0.88 Inch OLED screen、 128*32 Description 1: Time、 data、 steps、 calorie display on the screen 2: sports records (step、 calorie 、 distance). 3: sleep monitoring (sleep time、 sleep quality) 4: Incoming call alarm、 Message push (IOS device not supported) 5: Moving and sleeping information sharing 6: Alarm clock remind 7: Moving target setting 8: Find the wristband 9: Anti-lost alarm processor Dialog DA14580 (lowest power Bluetooth chip) Senser Freescale MMA8652 (3-axis accelerometer) Compatible OS Compatible with Android 4.3 and above \/ iOS 8.0 and above Bluetooth V4.0 smart phones (Android 6.0 device need open GPS) Language English Chinese Bluetooth Bluetooth 4.0 Certification CE ROHS、WEEE、MSDS、FCC control mode touch screen to wake up the wristband antenna Ceramic antenna Dimensions 230*23*10mm Net Weight(Including battery) 22g Battery 80mAh Li-polymer battery 、 built-in Charge Micro USB charge、 full charge only need 30 minutes Standby time super long standby 7 days、 5 times the ordinary hand ring、 the industry's lowest power Bluetooth chip Waterproof level IP65 Package Size 98*98*30mm Weight 80g Accessories 1 x Band 1 x Charging Cable 1 x User Manual