Features: brand new and high quality Motherboard CPU realtek 8762C+BKG sensor Silan Micro SC7A20HR sensor HR3300Screen for touch full fitBT version 4.0BT name i12Vibration motor Display size 1.28 inchResolution 240x240Display IPS color displayTP screen type G+F Full fit Battery material Lithium batteryCapacity 250mAhStandby for time 20daysUse for time 5~7daysCharging method: magnetic chargingWaterproof ip67Support mobile phone version IOS8.0 and Android-4.4 above Band support languages English, French, Spanish, German, Chinese, Traditional Chinese, Russian, Italian, Korean, Japanese, Arabic, Ukrainian, PortugueseAPP supports languages English, Arabic, Danish, German, Spanish, Finnish, French, Italian, Japanese, Korean, Dutch, Norwegian, Polish, Portuguese, Russian, Swedish, Thai, Ukrainian, Chinese, Traditional Chinese support:Step countmileageCaloriesMusic controlHeart rateblood pressureBlood oxygenView historical informationInformation reminderSedentary reminderAlarm clockStopwatchSleep monitoringMulti-dial marketFind a braceletWeather pushOTADial switchRaise your hand to brighten the screenMulti-sports modereach the goalLow battery reminderHeart rate throughout the dayweathercallMusic player Specifications: Material:Silica Gel Size:Approx.4.4x2.2cm/1.73x0.87inches Color:Black/Silver for I12 Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Smartwatch 1x Manual 1x Data Line