ASUS ZenWatch 2 Android Wear Smartwatch with Quick Charge & Gun Metal Casing/Gray Metal Band ( WI501Q-GM-GR-Q) Type: Watch Band: Grey Metal Band OS Compatibility: Android Wear 5.1.1 (Compatible with Android4.3+) Screen Size: 1.63 Screen Resolution: 320*320, 278ppi Display Technology: AMOLED Wireless: 802.11BGN Bluetooth: Bluetooth