Product Name: 3D Sublimation Wireless Mouse Application Type: Business Style: Computer Number of Buttons: 4 Direction of Roller: Tilt Wheel Ergonomics: Symmetric Size of Mouse: Medium DPI: 1200 Positioning Principle: Optical Connection Type: USB Compatibility: Desk PC Trademark: Umila Transport Package: Color Box or Blister Specification: 9.9*6.1*3.5 Cm Origin: China HS Code: 84716072 Product Description Middle Size Wireless Mouse, 1200 DPI2.4GHz Wireless MouseCompliant with Windows9X/2000/Me/XP/NT, Windows 7/Vista, etcWorking Distance: Max up to 10meters1200 DPIBandwidth: 2402-2480MHzOperating current&Voltage: ≤ 25mA, 3VAuto shut-off function to maximize battery life