Small size, easy to carry, perfect for travel, suitable for kids as well. When pulled apart, the retractable cord allows for mobile use on a computer whether at home, at work, or anywhere else. 3D Technology offers high-resolution optical tracking for accurate mouse movement. Plug and Play requires no drivers or programs; just plug in and play. The cord length adjusts and winds/unwinds without tangling or getting stuck like other wired mice. Wide Compatibility with all Windows 98 / ME / NT / 2000 / XP / Vista / Win 7 / Linux or OS. Product Parameters: Product Name: USB wired mouse Resolution: 1200DPI Type of connection: USB interface Operating voltage and current: DC5 +/- 5% less than or equal to 100MA Flip wheel life: 1 million times Switch life: 5 million times Key Specifications: 60 +/- 5gf Key operation: 80 +/- 20gf Cursor positioning method: photoelectric Operating system: Windows 98, 2000, XP, Vista version, and others colour: Red Material: ABS size: 76mm*40mm*24mm Cable length: about 80 cm / 31.50 in (stretchable) Package Contents: 1 * Wired Mouse Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture to differ slightly from the real thing. The measurement allowed error is +/- 1-3cm.