Mouse - Universal - Optical Pen Mouse Highlights Universal Optical Pen Mouse Optical Pen Mouse The product is shipped based on the color or size of the main image on the product page. Product Name: Optical Mouse Number of keys: 4 keys DPI: 800/1200/1600 DPI Key: 5,000,000 times Current: 1.5V 15mA RF frequency: 2402MHz-24080MHz Battery: 1*AAA battery (not included ) Material: Abs Application: PC, Smart TV, Set-top box Size: 14*2*1.5cm Product gross weight: 50g Features: 1. The mobile process is more relaxed and free than a normal mouse, conforms to the human body design and is more suitable for hand grip. 2. Exquisite and compact, first choice for notebook users, ON/OFF switch, plug and play, no drivers required. 3. With two-in-one design, it can be used as a PowerPoint demonstrator. With a mouse, you can freely manipulate the mouse pointer and the ppt without having to always stand in front of a computer or laptop. 4. The notebook mouse has 1 scroll wheel + 4 buttons (3 buttons, including 1 for energy reduction). Its function is similar to a traditional wireless mouse. 5. Support Windows 2000 / XP / Vista / 7/8/10 Note: This product does not contain batteries