Features:- Ergonomically design, ease the harm of palm joint or muscle for long-time using mouse
- Five buttons, full function mouse
- Five buttons: 4 buttons in default / 1 scroll wheel (middle button)
- Premium-level quality and comfort for the price of a conventional mouse
- Built-in rechargeable battery, and very environment-friendly
- Exquisite design, small size and light weight Model: Wowpen-joy
Type: Mouse
Features: Rechargeable
Material: Plastic
Color: Blue Resolution: 1200DPI
System support: Windows
Interface: Wireless
Connection: Wireless
Working Time: 20 Days Battery Type: Lithium battery
Battery Voltage: 4.75 - 5.5 V
Battery Current: 400 mA
Lithium Battery Capacity: 450 mA Package weight: 0.175 kg
Product size (L x W x H): 10.00 x 7.50 x 8.50 cm / 3.94 x 2.95 x 3.35 inches
Package size (L x W x H): 13.00 x 9.00 x 7.50 cm / 5.12 x 3.54 x 2.95 inches Package Contents: 1 x Wireless Vertical Optical Mouse with 5 Buttons, 1 x USB Cable