T55 Smartwatch has the perfect design for couple with your wardrobe both formal and casual. T55 Smartwatch has a decent and unique design which looks stylish and performs even further. This Smartwatch is absolutely a great purchase. Key Features T55 Smart Watch has all the next-level features one could look for with long battery life and most importantly T55 comes with dual straps one the holed edition straps and the other with a hard solid look. T55 44mm Smartwatch Display size: 1.54inch Resolution: 240*240 Touch form: full touch TP: G+F full fit Battery capacity: 200mAH Cover material: 2.5D tempered glass Body material: zinc alloy CPU: BLE5.0 Heart rate sensor External flash: 64M Vibration: Motor Bluetooth: Bluetooth 5.0 Charger interface: contact type Display screen: 240*240 1.54 inch Button: 1 touch switch (definition: long press to switch the machine, short press to turn on the screen in the off state, short press on the non-time interface to return to the main interface in the on state, short press to turn off the screen in the time interface Rotary button: Rotary button Incremental encoder UI interface: can achieve smooth interactive dynamic UI effects Android system version: above 4.4 iOS system version: 8.4 or above, iOS 5S or above Watch language English, Japanese, French, German, Russian, Arabic, Spanish etc.