Left-Handed Mouse Rechargeable Ergonomic Vertical Mice with USB Receiver for Laptop PC Desktop brand new, high quality Features: Design for left-handed. The unique, upright and ergonomically superior design of the Vertical Wireless Mouse reduces harmful arm and wrist tension by allowing your hand to operate the mouse while remaining in its natural position. 800 or 1200 or 1600 DPI Levels-Easily adjusts the sensitivity of the mouse. EASY TO USE-One USB receiver at the bottom of mouse. 2.4 GHz wireless technology which provides a powerful, reliable connection up to 10m. PLUG and for PLAY, without installing any additional software. Enjoy the fast data transmission at the convenience of the wireless technology! Widely for Windows 2000 or XP or Vista or 7 or 8 or 10 or Linux. Once you get used to the ergonomic mouse, you will love it so much! Specifications: Item Type: Left-Handed Mouse Style: Wireless Charging or Wireless Battery or Wired (Optional) Battery Style Power Supply: 1 x AAA Battery (Not Included) Material: ABS Size: approx.130x68x81mm or 5.12x2.68x3.19in Color: Black Quantity: 1 Pc Note: Transition: 1cm = 10mm = 0.39inch. Please allow 0-1cm error due to manual measurement. Pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Includes: Wired Style: Left-Handed Mouse Wireless Style: Left-Handed Mouse and USB Receiver 1 x Lip Brush (other accessories demo in the picture is not included.)