Porodo Sfera AMOLED Smart Watch - Color Black Or Silver Brand Porodo Battery 260mAh Lithium Polymer Working Time 7-15 Days Compatibility Android 5.0 And Above iOS 9.0 And Above Charging Time 2-3 Hours Water Proof IP67 Material Watch Case Zinc Alloy Resolution AMOLED 466 x 466 Screen 1.43 Inch Memory 128MB Bluetooth V3.0 V5.0