GEMBIRD MUSW-ERGO-01 Gembird Ergonomic w 80014283 Product Description: Gembird MUSW-ERGO-01 - vertical mouse - 2.4 GHz - black Device Type: Vertical mouse - ergonomic Connectivity Technology: Wireless - 2.4 GHz Colour: Black Orientation: Right-handed Dimensions (WxDxH): 9.5 cm x 6.5 cm x 3.6 cm Weight: 84 g Wireless Receiver: Nano USB wireless receiver Buttons Qty: 6 Performance: Realtime sensitivity switching 800/1200/1600 dpi Features: On-the-fly DPI switching, blister package Battery: AA type OS Required: Microsoft Windows 7 / 8 / 10