Description:Name: Smart Watch1. Size: 38.5 x 44.5 x 14mm;2. Strap material: silicone;3. Main screen: 2.0 inches infinity displays LCD 250 x 285;?4. Rom:128mb Ram:128mb5 Bluetooth-compatible: Bluetooth-compatible?5.0 supports Bluetooth-compatible calls;6. Charging mode: Magnetic Charging7. Touch screen: full touch screen:8. Appearance material: zinc alloy:9. Waterproof: IP67 (the watch cannot be placed in water);10. i8 Monitoring function: Bluetooth-compatible call, custom wallpaper, drinking reminder, blood oxygen, sports mode (outdoor running, walking,mountain climbing, indoor running),?11. compatible for Facebook / twitter / WhatAPP, SMS / calendar, message reminder, heart rate, sleep monitoring,Bluetooth-compatible music, SMS, call records,?12. compatible for SIRI / Voice Assistant, alarm clock, ola sport, remote photos, step count, blood pressure, address book, find mobile phone, etc.;13. Picture : use personalize pictures as wallpaper?14.HD graphic design?HOW TO USE BLUETOOTH-COMPATIBLE CALL: The Bluetooth-compatible call function requires dual Bluetooth-compatible signal support, so you need to connect twice according to the instructions Scan the QR Code on the manual through the mobile phone browser, download the dedicated application, and then turn on the phone Bluetooth-compatible.?Find and connect your i8 sport device in the app. Confirm the binding Find the device in the Bluetooth-compatible of the mobile phone (check the device name in the watch to view the device information and then chooses to connect