T500: the screen is 1.54 inches, and the key has no rotation function.
T500 plus: the screen is 1.69 inches, and the key has no rotation function.
T500 Pro: the screen is 1.69 inches, and the key has rotation function.

Features:
Special Features of T500 Smart Watch: （1:1 SmartWatch）
1* Bluetooth Phone call/ phone refuse/phone answer supporting.
Messsage reminder: Like Facebook;Twitter;Whatsapp;SMS;Wechat, etc.
2* Various strap changes Supporting: Milanese/Nylon/Silicone/Sport Strap change,etc.
3* Waterproof Smart watch: IP67 waterproof,but please do not take it to shower or swimming
4* Healthy Care Smart Watch:
Blood Pressure/Heart Rate/Sleep monitor/Sleep Monitor/Sedentary Reminder,etc.
5* Entertainment Smart Watch: Play music and Photo control
6* Multi Sport Modes:Abdominal Curl/TableTennis/Basketball/Badmiton/Climb/Cycling,etc;
7* Multiple-Lanuage Supporting:
English/Russian/Portuguese/France/Spain/Italy/Deutsch/Turkey,etc.
8* Other Daily Useful and Interesting Function Support
* Anti-lost&Find Phone Function
* Raise hand Bright Screen
*Alarm Clock:
Parameters:
* Main Display : 240*240 HD Resolution;
1.54 Inch Full Touch Screen.
1、Wearing equipment
2、Bt3.0 + 4.0 dual mode
3、Heart rate、step、call
4、Support Android / IOS mobile message push
5.Motor：yes
6,Two in one loudspeaker and handset
7, Battery capacity:180mah
8,app name : Hiwatch
9，T500 Watch UI Languages ： English, French, Spanish, Polish, Portuguese, Italian, German, Dutch, Turkish, Russian, Arabic,etc.
Packing List:
1* Smart Watch;
1* Charging cable；
1* Manual；
1* original Box