SPECIFICATION Mouse Keyboard Q-ty of keys: 8 buttons Q-ty of keys: 104/105 Resolution: 800~3200dpi Keyboard layout: US/ARA/ESN/RU Maximum frame rate: 4000fps Q-ty of shortcut buttons: 12 Maximal tracking speed: 30 ips OS Compatibility: Windows P/Vista/7/8/10/11/Mac OS Maximum polling rate: 250 Hz Error-free running time: More than 10 million times Maximum acceleration: 8 g Interface: USB Wire length: 180 cm Wire length: 180 cm Dimensions(W×H×L) approx.: 130*73*45mm Dimensions(W×H×L) approx.: 480*218*38mm Headphone Mouse pad Speaker Φ40mm Dimensions 320*240*5mm Sensitivity 120±3db Weight 146±5g Impedance 32Ω Frequency response 10~20,000Hz Microphone Omni-directional Mic unit diameter φ6.0±5.0mm Mic Sensitivity -56±2db Interface φ3.5mm stereo jack Cable length 2.0±0.01m