FEATURES: Bracelet is completely waterproof. Mi Band 8 Pro can be in water at a depth of up to 50 meters without harm to itself. You can wear it to the swimming pool, any shallow water activities, but hot water can harm the bracelet. Also direct hits by strong streams of water can harm the Mi Band 8 Pro . Xiaomi Mi Band 8 Pro have such functions as sleep monitoring, sleep breathing quality monitoring and measuring blood oxygen. Xiaomi Mi Band 8 Pro can show message notifications, There is no NFC function support. Xiaomi Mi Band 8 Pro supports 150 sport modes. The battery life is about 16 days on one charge and in Always on Display mode it is about 6 days. Currently, the Mi Band 8 Pro only supports Chinese and English. A firmware update may be released in the future. Then more languages will be available, but currently only English is available. SPECIFICATION: System languages: Simplified Chinese, Traditional Chinese, English Support system: Android 6.0 or iOS12.0 and above Supporting APP: Xiaomi Sports and Health Display:1.74" 60Hz AMOLED Display, 336*480 Screen Resolution Screen Brightness: Up to 600 Nits, Support Automatic Brightness Adjustment Battery:289mAh Battery Compacity, Up to 14 days Water resistance:5ATM Water Resistance up to 50m Activity Tracking: Daily Activity Record, Count steps, distance, calories burned, Female health monitor, Blood Oxygen Healthy Monitoring:Heart Rate Monitoring, Sleep Monitoring, Pressure Monitoring, Blood Oxygen Monitoring, Breathing Training Senso:Acceleration sensor, gyroscope sensor, optical heart rate and blood oxygen sensor, ambient light sensor Connective:Bluetooth 5.3 BLE System requirement:Android 6.0, IOS 12 or above Body Net Weight: About 22.5g, Without Wrist Strap Main Size: 46*33.35*9.99mm Set Includes: 1x Xiaomi Mi Band 8 Pro 1x Charger 1x Instruction