Product information Name: 3500 photoelectric mouse : neutral Item no: 3500 Color: white. Black. Product features Please enter product features: 1. Wireless free movement within 10 meters; 2. Resolution frequency conversion button can realize the switching of resolution frequency (1000dpi-1200dpi-1600dpi); 3, can achieve up and down line by line scrolling; 4, automatic sleep power saving function, intelligent sleep to save electricity, more durable; 5, shortcut button can be used to browse the Internet or applications, easy to achieve the toolbar "forward", "backward" function; 6, high performance wear - resistant pad, easy to achieve barrier-free sliding. 7 wireless mouse, no line, a large screen can be far away from the operation, easy to carry, travel with the convenience of what. Using two 7 batteries, the mouse has the function of automatic dormancy. Specifications: Type: photoelectric mouse Mouse size: mouse (100mm) Connection with computer: wireless Applicable model: desktop Photoelectric resolution: 1600dpi (dpi) Number of keys: 3 (keys) Interface: USB Wireless transmission frequency: 2.4GHz Support ergonomics:; support Resolution adjustable: four files Operating distance: 10 (m) Working mode: photoelectric Roller direction: four - way roller Features: game mouse, ergonomics, ultra-thin Product size: 11X6X2CM Package Included: 1 * the mouse 1 * usb adapter Notes: Note: this product does not come with batteries, customers need to buy their own.