The difference between T500/T500+/T500+PLUS: T500:1.54inch screen, low price, high practicability, custom wallpaper, APP:hiwatch T500+:1.75inch screen, high cost performance, custom wallpaper, APP:hiwatch T500+plus: 1.69inch screen, custom wallpaper, more durable battery, better workmanship, five colors, best quality, latest version 2021, APP: M2 WEAR Specification: Main chip: MT2502 Memory: 64M 128M Screen: IPS true color screen Screen size: T500:1.54 inches T500+:1.75inches Resolution: T500:240x240 T500+:360*360 Full screen Dynamic heart rate: exercise heart rate curve Ambient temperature: 10-50 ° C Charging: magnetic charging Bluetooth: Bluetooth LE 4.2 Battery: 230 mAh Function: Bluetooth call, Pedometer / calorie, Heart rate monitoring, Blood pressure monitoring, Blood oxygen monitoring, sleep monitoring, vibration motor, alarm clock reminder, music / remote camera, multi-sport mode, walking, running, badminton, football and other 7 sports modes, Sedentary reminder. Note: 1. Please charge before use! 2. After the watch is connected to the phone, the watch will automatically update to the time of the phone, the watch does not need to be set! 3. Do not use smart bracelets in sea water, hot water or warm water! 4. Please scan the QR code on the user manual to download the application. How to connect your phone to your watch: (1) Please download the mobile app (2) Start watch,Turn on the phone Bluetooth (3) Go to the mobile app to find Bluetooth connectivity device features (4) Connect your watch to your mobile app (5) When connected, the watch can monitor various sports data normally Package included: 1 x Smart Watch 1 x Charger 1 x User Manual 1 x Original box