Wireless Keyboard & Mouse A4Tech FG3300 Air, Low Profile, Retro Round Keycaps, Silent, 1200dpi, 4 buttons, Ambidextrous, 1xAA/1xAA, EN/RU/RO, Grey. Fstyler 2.4G Wireless Power-Saving QuietKey 2-Zone Combo SetKeyboard Model: FGK33 (14dB)Patented QuietKey TechnologyWindows and Mac Compatible Input LayoutLow-Profile Retro Round Keycaps2-Zone Compact KeyboardUltra Sleek & ThinHigh-Elasticity SiliconUSB Nano Receiver StorageOperation Range: 10 mBattery: 1*AA Alkaline BatterySize: 395 x 138 x 27 mmWeight: 422 g (w/ AA*1 battery)Mouse Model: FG16S Air (13dB)Silent Clicks ButtonsDual Functions Technology16-in-One Software 4-Way WheelPower On/Off Switch5M Clicks Button LifetimeSymmetric DesignSensor: OpticalOperation Range: 10~15 mReport Rate: 125 HzResolution: 1000-1200-1600-2000 DPIRating: 1.5V / 30mABattery: 1*AA Alkaline BatteryButtons No.: 4Size: 109 x 64 x 36 mmWeight: 86 g (w/ AA*1 battery)Compatibility 2.4G USB Nano ReceiverUSB Type-C Adaptor IncludedUSB Extension Cable: 100 cmColor: Grey, Blue