Optical Pen Mouse The product is shipped based on the color or size of the main image of 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: 2402 MHz-24080 MHz 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 moving 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 driver 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 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, 1 of which is for energy saving). 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