Led Backlit Rechargeable Wireless Silent Usb Ergonomic Optical Gaming Desktop Pc Laptop Grey The product is shipped based on the color or size of the main image of the product page. ur:Grey s:Wireless transmission, the longest sensing distance up to 10 meters.Ergonomic design, comfortable to hold and use.Portable and lightweight, very convenient to carry.The wireless mouse is connected by a USB receiver.It is an ideal companion for laptops in the home or office. Item : Wireless Material: ABSDPI: 800/1200/1600/2400DPIWireless Transmission : 0-10mOperating System: for 98 SE/SME/2000/SXP/2003, for Mac OS : Rechargeable (Included)Wireless Transmission Frequency: 2.4GHzFunction: Wireless, Rechargeable, ErgonomicSize: 13.8cm x 8cm x 3.9cm/5.43" x 3.15" x 1.54" (Approx.) :Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement. Package Includes:1 x Wireless 1 x Receiver1 x Charging Cable1 x User