Computer Accessory Sets features: DELUX M618 Mini 2.4G Wireless 2400DPI USB Rechargeable Ergonomic Vertical Mouse (Pink) Color: we send based on the color or size of the main image of the product page. Quantity：we send based on quantity on title, if there is no quantity in the title, we send based on description. 1. Perfect for anyone who experiences wrist or hand fatigue when using a regular mouse. Its vertical design reduces the torsion of the forearm and wrist caused when using most other mice. 2. In addition to its comfortable, ergonomic design, adjustable sensitivity, which can be changed on-the-fly using the DPI button on the mouse. Another neat feature is the two thumb buttons, which perform back/forward browser navigation functions. 3. Material: ABS 4. Working Voltage: 5 V 5. DPI: 800/1200/1600/2400DPI 6. Response Rate: 125 Hz 7. Size: 10.5 x 9 x 7cm 8. Package include: - 1 x Vertical Mouse - 1 x User Manual 9. With RGB light 10. Compact and easy to carry