. keyboard Interface Type USB Size 493*202*40mm key number 114 Operating Voltage 5V Operating Current 100mA Key Life 5,000,000 times Cable Length 1500mm product weight 751g 19 anti-ghosting key mouse Size 117*64*38.6mm Key number 6 Chip 603EP Resolution 1200-1800-2400-3600DPI Operating Voltage 5V Key life 3,000,000times Cable length 1500mm product weight 119g headphone Speaker 40mm Impedance 32Ω±10%Ω Sensitivity 108dB±3 dB Frequency Response 20 hz to 20khz Microphone 6*5.0mm Cord Length 1.8m Plug 3.5mm Size 83*195*180mm product weight 187g mousepad 250*210*2mm Serging rubber and cloth product weight 84.3g