Feature 1.Time display, stopwatch, step counter, calories, distance, sleep monitoring, raise the screen 2.Sport mode, call reminder, message reminder, sedentary reminder, anti-lost reminder 3.Do not disturb mode, shake photo, find bracelet 4.Full measurement, WeChat exercise, heart rate, blood pressure, blood oxygen 5.Health Weekly, Language match, OTA Upgrade, IP67 6.Can receive notifications from Facebook, Twitter, WhatsApp, WeChat, etc. Specifications Product Name:Smart Wristband Color:As shown in the pictures Material:Zinc Alloy, ABS, PC Band Material:Silicone Screen Size:1.3inch Waterproof Grade:IP67 Bluetooth :V4.0 Battery Capacity:150mAh Compatible System:For Android / IOS Charging Method:USB Charging Sensor:Gravity Sensor 3 Axis Languages:English, Chinese, Japanese, Turkish, Spanish, German, Russian, Finnish, Arabic, French, Malaysian, Indonesian, Korean, Portuguese, etc. Package Included Smart Wristband User Manual Note 1.Do not use in hot water. 2.This product is waterproof to IP67 and can be used for waterproofing, not diving, or soaking in water for a long time. 3.Please ensure that it is fully charged for the first time. If the power is too low to start, please charge 2-2.5 hours.（Please read the user Manual before use.）