About this item Activity Tracker WristbandBuilt-in fitness trackers and optical sensors, can monitor heart rate/calorie/sleep/pedometer/distance; and record data both in smartphone App and watch, provide valuable reference for your physical condition. Waterproof Fitness Tracker IP67 Waterproof can meet your daily waterproof (shower, wash etc) Battery Capacity supports 7 Days Standby with 2-3 hours fast charging, have a long Battery Life, no need to charge frenquently Unique Smart Bracelet for WomenColorful elegant smart bracelet with chic outlook and medium size suits to gentleman and ladies,brightness can be increase / decrease in APP. Wake screen after your arm moving Smart Watches with More Practical FeaturesStay connected via Bluetooth, you can get alerts and notifications from your incoming calls, text. Social Multimedia Sync Reminder: Facebook Twitter Linkedln WhatsApp Line Instagram Snap Skype, also it notifies after you sitting too long Smart Watch for IPhone and Android PhoneSmart watch compatible with most iOS 8.5 & Android 4.4 above smartphones. All these functions are wrist-based and easy to use, Smart watch Support language:Chinese, English, Korean, German, Spanish, Japanese, French, Italian, Russian, Portuguese, Vietnamese