Thank you for coming to our shop, I hope it is to your satisfaction Category: Smart Bracelet Material: Metal + Tempered Glass + TPU Screen Size: 0.96inch Resolution: 128*96 Battery Capacity: 90mAh (Contains) 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 Functions: Time Display, Pedometer, Calorie, Distance, Multiple Sports Modes, Raise Hands to Brighten Screen, Sleep Monitoring, Motion Track, APP Support, Call/Information Reminder, Sedentary Reminder, Find the Bracelet, Heart Rate/Blood Pressure Monitoring, etc. UI Interface Language: Chinese, English Information Push Language: Chinese, English APP Supported Language: Simplified Chinese, Traditional Chinese, English, German, Korean, Spanish, Japanese, French, n, Arabic, Ukrainian, Italian, Portuguese APP Name: Dayband Charging Category: USB Charging OTA Upgrade: Support Waterproof Level: IP67 Peculiarity: 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.) Instructions: 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. Kindly Remind: Due to light and display, there may be slight differences between the picture and the actual color of the product. The color is subject to the goods received. In addition, please allow slight size difference due to manual measurement. High quality, assured choice is guaranteed! Package Contains: 1 x Smart Bracelet 1 x User Manual