RK61 Mini Mechanical Keyboard Blue Backlight Keyboard USB / Bluetooth with LED Backlight and different color Switches

Model Number: RK 61Size: about 292 * 102 * 39mm / 11.5 * 4.0 * 1.5inKeyboard weight applied: 50g-60gKeyboard number of keys: 61 keysButton life: >50 million timesWorking current: 150mAWorking voltage: 3.3VKeycap type: ABS double keycapInterface type: Bluetooth or USB portOperating system: Windows XP/Win2000/Win7/Win8/Win10/Mac/IOS/AndroidBuilt-in: Lithium batteryWrist Support: No