100% new quality. Made of qualified materials, , safe and harmless. , low price and high cost performance. Easy to use, practical and durable. It is the first choice for working, learning, and gaming mice. Product: ergonomic vertical wireless mouse Style: charging, battery Color: As shown Size: 12.3cm*6.2cm*7.5cm Specifications: 1. Ergonomic Design: The mouse is designed to reduce wrist pressure and prevent carpal tunnel syndrome. 2. Cool Shark Fin Design: The mouse looks like a shark fin and is fashionable, making it suitable for young people. 3. Charging Model: The charging model can be charged with a USB cable, while the battery model can be powered by two AAA batteries. 4. Two Styles: The mouse comes in two styles, one with a charging model and one with a battery model. 5. Protects Your Wrist: By using the mouse instead of a traditional mouse, you can protect your wrist from carpal tunnel syndrome. Package Included: 1* vertical wireless mouse 1*USB receiver 1*USB charging cable (charging model)