Main Features:- Ergonomically design， ease the harm of palm joint or muscle for long-time using mouse
- Six buttons， full function mouse: 4 buttons in default / 1 scroll wheel ( middle button ) / 1 DIP switch button
- Adjustable 800 / 1000 / 1200DPI
- Long switch life up to 10 million
- Built-in 450mAh rechargeable battery， working time up to 30 days
- Portable and wireless design， plug and play， small size and light weight， convenient to carry and use

Note: The color of USB cable is random to supply Application: Desktop，Laptop
Color: Black
Hand Orientation: Right
Interface Type: USB
Power Type: Battery
Type: 2.4GHz Wireless
Wireless Technology: 2.4GHz Package weight: 0.188 kg
Product Size(L x W x H): 11.00 x 8.00 x 8.00 cm / 4.33 x 3.15 x 3.15 inches
Package Size(L x W x H): 13.00 x 9.00 x 9.00 cm / 5.12 x 3.54 x 3.54 inches Package Contents: 1 x 4 Version 2.4G Vertical Ergonomic Optical Mouse， 1 x USB Receiver， 1 x USB Cable