Description: Display screen: 1.28 inch full fit full touching screen 240* 240px Operation mode: full touching and side buttons CPU: Goodix 5515 BT version: BT4.0 (support BT5.0) Waterproof rating: IP67 waterproof Heart rate sensor: HRS3300 Acceleration sensor: SC7A20 Battery capacity: polymer lithium battery 200 mA Strap material: silicone Compatible platform: For IOS9.0 or above and For Android5.0 or aboveFeatures： Incoming call/SMS content push Information Reminder There are function enable switches on the APP side (incoming calls, text messages, and other mobile applications) and events such as sitting, alarm clock, drinking water, taking medicine, etc. Information reminder, alarm clock, photo, raised wrist screen, sedentary reminder, stopwatch, countdown, search for mobile phone, bracelet brightness adjustment, bracelet screen duration adjustment, step counting, heart rate data synchronization APP support, exercise, mileage, calories, Steps, sleep, total sleep, deep, light sleep time, history record, heart rate, blood pressure, sleep, exercise Support language: The bracelet interface supports English, Simplified Chinese, French, German, Italian, Spanish, Russian, Portuguese (multi-language support for message content push)Package Included: 1x Watch 1x Manual 1x Data line