ONIKUMA K16 5 in 1 RGB Magic Light Effect Wired Keyboard Mouse Pad Headphone Holder Set(Black)

Headphone:Horn diameter: 50mmImpedance: 16dhm +/- 15%Sensitivity: 115db +/- 3dbFrequency: 20-20000HzMicrophone size: 6x2.7mmMicrophone Sensitivity: -42db-b +/- 3dbMicrophone Impedance: 2.2 kohmDirectionality: omnidirectionalHeadphone jack: USB +1 X3.5mmJack cable length: 1.9m +/- 0.2Keyboard:Number of keys: 104Switch Type: Membrane KeyKey life: 8 millionOperating stroke: 4+/-0.5Operating load: 55±7gfWorking voltage: 5V+/-0.5VWorking current: less than 300mAInterface type: USBSupport system: Win98, Win2000, Win XP, Vista, Win7, Win8, Win10 operating systemCable length: 1.45±0.3mKeyboard size: 438x127x32.3mmKeyboard weight: 406.5gMouse:DPI: 800/1200/1600Lighting color: colorful lightsInterface: USBWorking voltage: 5VWorking current: less than or equal to 150MACompatible system: Windows 98 / 2000 / ME / NT / XP / Win7 / Win8 / Win10 / Mac OS and other OS, plug and playCable length: 1.3mWeight: 98.3gSize: 120x66x38mm