Description: Long Working Distance: Using 2.4 GHz wireless transmission, the transmission distance can reach 10 meters / 32.81 feet, strong anti-interference capability. Plug and Play: USB intelligent connection does not require coding, plug and play. The USB receiver can be placed at the back of the mouse for easy carrying. Hand Feeling Comfortable: Advanced design, It fits perfectly on the palm of your hand, long-term use without fatigue, perfect for use at home, office or on-the-go. Low energy consumption: It can enter the auto suspend if you do not use it for 3 minutes to save battery. Adjustable DPI (800/1200/1600/2400 DPI) configuration may suit your needs when you use this mouse in the office or at home. Widely Compatible: Well for windows 98se / sme / 2000 / sxp / 2003 / mac the latest version. Fits to desktop, laptop, PC, and other devices. Specification: Adjustable DPI: 800/1200/1600/2400 DPI Operating voltage: 1.5 V Button: 6(6 buttons with roller) Wireless transmission distance: 0-10 meters / 0-32.81 FT Interface: USB Power Supply: 1 AA Battery(Battery No. 5) Material: ABS Plastic Color: Black Connection: Wireless Wireless transmission frequency: 2.4 GHz Product Weight: 70 grams(excluding batteries) Size: Approx. 13x7.5x4cm/5.12x2.95x1.57inch Package Includes: 1 Piece 2.4 G Wireless Mouse 1 Piece USB Receiver Note: Please allow 1-3mm deviation due to manual measurement.(1mm=0.04inch) Color might be slightly different due to the color calibration of each individual monitor.