Bluetooth, Waterproof, Heart Rate, Sleep Monitor, Fitness Sports Smart Bracelet. Features: Supports Multiple Sports Modes, the Bracelet Can Record Sports Data. Built-in Motor, Support Vibration Reminder when the Call or Message Coming. Monitor the Heart Rate and Blood Pressure Regularly, Let You Stay in Control of Your Health. It Can Monitor Your Sleep Time and Sleep Quality, Enabling to Adjust Your Sleep Habit. Specifications: Material: Metal + Tempered Glass + TPU Screen Size: 0.96inch Resolution: 128*96 Battery Capacity: 90mAh (Included) Standby Time: 20 Days Using Time: 6-7 Days CPU: SYD8810 Heart Rate Monitoring: PPG (SC7R30) RAM: 32KB S-Flash: P25Q16H G-sensor: SC7A20 Motor: Cylinder Antenna: FPC Antenna Charging Interface: Standard USB Interface Button: Single-touch Compatible System: for Android 4.4 and Above, for IOS 8.4 and Above UI Interface Language: Chinese, English Information Push Language: Chinese, English APP Supported Language: Simplified Chinese, Traditional Chinese, English, German, Korean, Spanish, Japanese, French, Russian, Arabic, Ukrainian, Italian, Portuguese Charging Type: USB Charging OTA Upgrade: Support Waterproof Level: IP67 Features: Multifunctional, Touch Screen, Waterproof Strap Size: 23cm X 1.8cm X 0.2cm/9.06" X 0.71" X 0.08" (Approx.) Case Size: 4.2cm X 2.3cm X 0.95cm/1.65" X 0.91" X 0.37" (Approx.) Total Size: 6cm X 4cm X 1.8cm/2.36" X 1.57" X 0.71" (Approx.) Package Includes: 1 X Smart Bracelet 1 X User Manual . We are an international seller, your order will be shipped from abroad so please allow the necessary time of minimum 14 working days for delivery right now depending on where you ship to, due to ongoing delays in postal deliveries globally.