Item Type: Wireless Mouse_x000D_ Type: Optical mouse_x000D_ Connection with Computer: Wireless_x000D_ Optical Resolution: 1600dpi_x000D_ Number of Keys: 6 (keys)_x000D_ Interface: USB_x000D_ Wireless Transmission Frequency: 2.4GHz_x000D_ Resolution: Adjustable 3 speed and below_x000D_ Operating Distance: Approx. 8meter / 26.2ft_x000D_ Working Method: Photoelectric_x000D_ Wheel Direction: Four-way wheel_x000D_ Battery Specification: 2 x AAA batteries_x000D_ Packing List: _x000D_ 1 x Mouse_x000D_ 1 x USB Receiver1The left and right buttons adopt a silent micro-motion design, 250Hz high-return chip, and data transmission is faster. 2Adopt 2.4G wireless frequency hopping technology, super anti?interference ability. 3Ergonomic shape design, comfortable grip, intelligent adjustment of up to 1600DPI, rapid cursor positioning. 4Innovative red light technology, energy saving and power saving, built-in memory with smart connection. 5The receiver is plug and play, convenient to use and with good performance. 1 x Mouse 1 x USB Receiver