Left-Handed Mouse, Rechargeable 2.4G Wireless Ergonomic Vertical Mice with USB Receiver, 6 Buttons and 3 Adjustable DPI 800/1200/1600 for Laptop Computer PC Desktop (Left Hand)
Brand: Sunffice
Color: Rechargeable

How to use:
1.Turn on the power switch,the indicator flashes red light,If the flash does not light, please charge it first.
2.Plug the receiver into your device(The receiver is at the bottom of the mouse).
3. Wait a moment, the mouse is connected and ready to use.
Notes:
if still not work,please take actions below:
1.turn off the mouse switch,pull down the USB receiver from computer,pull down the keyboard and take away to avoid interference;
2.plug in the USB receiver,turn on the mouse switch at same time,get the mouse colse distance with the USB receiver.
3.you can try the USB receiver on different USB port or computer.
Specification:
High Resolution: 800/1200/1600DPI
Effective: 10 meters
Net Weight: about 114g
Power:Bulit-in battery
Dimensions :about 123*75*62mm
Feature:
Tired of using the traditional grip? Take a break from overly-clunky or uncomfortably tiny mice. The ergonomically-designed thumb rests and grips fit the contour of your palm for maximum comfort.
Six buttons give you improved control over your computer's systems. Whether dragging and dropping, selecting large volumes of data, or casually gaming, this mouse provides a low-cost, effective solution for multiple computing needs.
Easily adjusts the sensitivity of the mouse between 3 DPI levels (800/1200/1600) to suit both ordinary and gaming needs. Optical laser allows for quick response, precise movement, and smoother tracking.
Batteries no longer need to be replaced frequently. Recharge Quick-connect design allows you to switch from wireless to a charging cable connection so you never run out of power.
Package Includes:
1 * Wireless Mouse
1 * USB Receiver(NOTE: The USB receiver at the bottom of mouse
1 * USB Charging Cable
1 * Manual

[NOTE: The USB receiver at the bottom of mouse.]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.
Advanced "Page Back" and "Page Forward" functionality buttons provide convenience when web page browsing. 800 /1200/1600 DPI Levels -- Easily adjusts the sensitivity of the mouse,allows fast response, smooth tracking and precise movement. Quiet click with less noise, no disturbing others besides you. A superior choice for internet surfers, gamers and people working at the computer.
Built-in rechargeable battery. You no longer need to buy batteries, very convenient !!An independent On/Off switch button on the bottom which helps save energy effectively. EASY TO USE.
2.4 GHz wireless technology which provides a powerful, reliable connection up to 10m. PLUG & PLAY, without installing any additional software. Enjoy the fast data transmission at the convenience of the wireless technology!
Widely compatible with Windows 2000 / XP / Vista / 7 / 8 / 10 / Linux. Once you get used to the ergonomic mouse, you will love it so much !