Promate (XWatch-RM) Curved AMOLED Screen Smartwatch with BT Calling - Black/Gold

Promate (XWatch-RM) Curved AMOLED Screen Smartwatch with BT Calling - Black/Gold Bluetooth Version: v5.3 Input Rating: 5V/0.16A Screen Size: 1.78" AMOLED Screen Resolution: 368x448 RAM: 640+32KB ROM: 128Mb Battery Capacity: 220mAh Battery Type: Li-Polymer Heart Rate Sensor: VC30F Pedometer Sensor: DA267-LGA12 Waterproof level: IP68 Compatible OS: Android 6.0 and above,iOS 9.0 and above Warranty: 2 Years Warranty Period