Main Color: Black
– Interface type: USB
– Number of keys: 6
– Optical resolution: 4800dpi
– Working mode: optical
– Wireless carrier frequency: 2402MHZ-2480MHZ
– Rated voltage: 1.5V
– Currnet : 18mA key life : 300 – show phone – times
– Compatible system: MS Windows 10/8/8.1/7, MAC, LINUX/UNIX