1.6-inch AMOLED touch display 24-hour heart rate tracking, sleep monitoring 5ATM water resistance up to 50m deep Supports more than 100+ fitness modes Over 100 watch faces, and a battery life that can last up to 14 days Specifications: Display 1.6" AMOLED colourful touch display Resolution: 320 x 360 PPI: 301 Sensor Optical heart rate sensor, Accelerometer, Gyroscope, Electronic compass Navigation GPS, GLONASS, Galileo, BeiDou Battery 225mAh Charging port: Magnetic charging Battery life: 14 days under typical usage mode Measurement of the typical usage mode is based on: set to the default settings, heart rate monitoring set to the default 30-minute interval, sleep monitoring on (with advanced monitoring off), stress all-day monitoring on, blood oxygen measured 2 times every day, 24-hour non-stop step tracking on, 50 notifications displayed every day, 2 alarms set every day, raise-to-wake to check the screen 100 times every day, data synced with the phone once every day, 35-min outdoor sports (with GPS on) every week. System language English, German, Italian, French, Spanish, Dutch, Portuguese, Turkish, Polish, Ukrainian, Romania, Czech, Greece, Russian, Thai, Vietnamese, Brazilian Portuguese, Indonesian, Traditional Chinese Language availability may vary by region. More languages will be made available through OTA Water & dust resistance 5ATM 5ATM water resistance: POCO Watch has a water resistance rating of 5ATM (50 metres in depth). The rating is based on standard GB/T 30106-2013 and has been tested by the China National Horological Quality Supervision and Testing Centre. It can be worn in the swimming pool while swimming near the shore, or during other shallow-water activities. However, it cannot be used in hot showers, saunas, or when diving. Furthermore, do not allow the watch to be directly impacted by swift currents during water sports. The level of water resistance is not permanent and may decline over time. Wireless Connection Bluetooth 5.0 (Bluetooth Low Energy) OS Android 6.0 or later, iOS 10.0 or later