Black M268 Wried Mouse Feature and Picture M268 Technical Specifications Model:M268 Wired Mouse Button Count: 6 buttons Resolution: 1000/1600/2400/3200DPI(default DPI: 1600) Receiver interface: USB version 2.0 Maximum speed: 32 Inch/sec Acceleration: 12G Operating Voltage: 4.75V±10% Operating Current: 100mA Max Key Life Cycle: 20,000,000 clicks Size: 129x72x41mm System Requirements PC with a Pentium processor or equivalent AMD processors. USB 2.0 Windows XP, Vista, WIN7, WIN8 , Win10, MAC Package Contents 1 x Wired mouse 1 x User manual 1 x Warranty Card Black WM289 USB Mouse Feature and Picture WM289 Technical Specifications Model:WM289 USB Wireless Gaming Mouse Button Count: 8 buttons Resolution: 800/1200/1600/2400/4800 (default DPI: 1200) Receiver interface: USB version 2.0 Operating Voltage: 3V Operating Current: ≤10mA Size: 129x72x41mm Weight: 88g Key Life Cycle: 20 million clicks System Requirements PC with a Pentium processor or equivalent AMD processors. USB 2.0 Windows XP, Vista, WIN7, WIN8 , Win10 Package Contents 1 x Wireless mouse 1 x User manual 1 x Warranty Card