• 【Wireless Design】Charged by AAA battery, plug and play, easy to install
• 【For Left/Right Hand】Left or right hand, or cradled between both. Press then appear laser pointer for presentation
• 【Driver Free】Off table and without limitation of operational space. Scrolling function can be controlled simply by your thumb. USB 2.0 interface, plug and play, no software required
• 【Ergonomic Design 】Handheld trackball mouse wireless, which can avoid any harm on your wrist and muscle, greatly reducing the chances for Arthritis and CTS suffers
• 【Easy to Use】Ideal for both laptops and desktops. Place end of index or middle finger on trigger button & thumb on roller ball

Specifications:

• Model: Y-10W
• Right/left hand: universal
• Power supply: AAA battery (not included)
• Interface: USB
• Size: 11x6x5cm
• Wireless receiving distance: 10 meters
• Resolution: 1000DPI