Model Number: RK 61
Size: about 292 * 102 * 39mm / 11.5 * 4.0 * 1.5in
Keyboard weight applied: 50g-60g
Keyboard number of keys: 61 keys
Button life: >50 million times
Working current: 150mA
Working voltage: 3.3V
Keycap type: ABS double keycap
Interface type: Bluetooth or USB port
Operating system: Windows XP/Win2000/Win7/Win8/Win10/Mac/IOS/Android
Built-in: Lithium battery
Wrist Support: No