BeWishes Left Handed Ergonomic Wireless 2.4G USB Vertical Mouse ，Less Noise，5 Buttons Vertical Mouse- 800/1200/1600 DPI

LEFT-HANDED ERGONOMIC VERTICAL MOUSE -- Specifically-designed for left-handers, encourages healthy neutral "handshake" wrist and arm positions for smoother movement and less overall strain. Recommended to Repetitive Strain Injuries RSI User and user works particularly long periods on the computer.
EASY TO USE, PLUG & PLAY -- Strong and reliable 2.4GHz wireless connection, one USB receiver at the bottom of mouse, just Plug and Play! The left-handed mouse dimensions : 5.0*3.0*2.5 inches. 【 NOT compatibility with Mac OS】
MULTIFUNCTION AND CONVENIENT -- Easy access to multiple usage ，3-level DPI (800/1200/1600) suit both ordinary and gaming needs, with premium optical engine, allows quicker response, smoother tracking and higher precision movement.
POWER-SAVING MOUSE AND WIDE COMPATIBILITY-- An independent On/Off switch button on the bottom which helps save energy effectively. Besides, it will automatically enter into sleeping mode after 8 minutes idle. Press right or left button for it to wake immediately. ( 2 AAA batteries needed, not included ).Compatible with Windows 7, 8, 10, XP, 2000, CE, Vista and Linux etc. ( The USB receiver is at the bottom of the mouse )
GREAT CUSTOMER SERVICE -- Rest assured that all ourergonomic vertical mouse have unconditional 12-month product warranty ( Replace or Refund ) as well as lifetime easy-to-reach technical support