Interface Type: USB Product solutions: SK9708 Product type: One-key keyboard Number of keys: 61 KEY Multimedia: With multimedia (laser carving) Keyboard Specifications: Button life:10 million times or more Operating Voltage:5.0V+5% DC Working current:150mA (MAX) Product line length:1.7M Mouse Specifications: Rate of return: 125Hz Movement speed: 30IPS Refresh rate: 4000FPS Acceleration: 8G DPI: 1200/1600/2400/3600dpi. Tracking system: Optical Voltage rating / electric current: DC 5V / 100mA Connection: Wired Cable length: . 150cm Port: USB 2.0 Switch Life: 10 million cycle Buttons: Left, Right, Scroll Wheel, DPI +,DPI -, Advance, Retreat Light effect: colorful Product size and weight: Mousesize: 12.7x7x4cm Mouseweight: 131g Keyboard Size:29.2x10.2x4.0cm Keyboard weight:359.3g Color:As Shown Material:ABS Package Contents: 1 x Gaming Mouse 1 x Gaming Keyboard Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.