Ewent EW3142, QWERTY, White, Wireless, Bluetooth, 3.0+HS, 11.2 x 4.57 x 0.787" (285 x 116 x 20 mm) Ewent EW3142. Keyboard layout: QWERTY. Product color: White. Connectivity technology: Wireless, Device interface: Bluetooth, Bluetooth version: 3.0+HS. Keyboard dimensions (WxDxH): 11.2 x 4.57 x 0.787" (285 x 116 x 20 mm). Power source type: Battery