Description: Ergonomic: This wireless mouse features a vertical design, let you can hold and use the mouse more comfortably. Wireless: Say goodbye to the wire problems, this mouse features a wireless design and the connection is fast and stable. Fast response: The wireless mouse is designed with 6 buttons, and each button can response fast and accurately. Compatible device: The wireless mouse comes with a USB receiver, and it is suitable for both desktop and laptop to use. Portable: With a lightweight and small size design, this wireless mouse is convenient to carry or store when going out. Specification: Color: Black. DPI: 2000dpi. Key: 6 keys Interface USB Size: Approx. 68x130x81mm/2.67x5.11x3.18 inch. Battery: 2x AAA battery(Not included). Note: There might be a few color distortions due to different resolutions. There might be a slight error due to different hand measurements. Package Includes: 1 Piece Wireless Mouse(with 1 Piece Wireless Receiver, 1 Piece User Manual).