GEMBIRD MUSW-6B-02-BG 6-button mouse 80014283 Product Description: Gembird MUSW-6B-02-BG - mouse - 2.4 GHz - black, space grey Device Type: Mouse - ergonomic Connectivity Technology: Wireless - 2.4 GHz Colour: Black, space grey Dimensions (WxDxH): 8 cm x 11.2 cm x 4.6 cm Weight: 78 g Wireless Receiver: Nano USB wireless receiver Movement Detection Technology: Optical Buttons Qty: 6 Movement Resolution: 1600 dpi Performance: Realtime sensitivity switching 800/1200/1600 dpi Features: Scrolling wheel, Intelligent Power Saving, non-slip rubberised ergonomic design, next/previous buttons, no mouse pad required Battery: AA type OS Required: Microsoft Windows 7 / 8 / 10 / 11 Package Type: Giftbox with transparent window Manufacturer Warranty: 1-year warranty