TRELC Wireless Ergonomic Mouse with OLED Screen, Rechargeable Silent Vertical Mouse for 4 Devices Connection (BT+2.4GHz), 4000 DPI, 7 Buttons for Windows/PC/Desktop/Laptop/Tablet (Dark Gray)

About this item 【 Innovation OLED Screen 】 Real time display of the connection mode, battery power and DPI level. 【Wireless Connection Support 4 Device】 It can connect 3 devices through BT, and 1 device through 2.4GHz USB Receiver, freely switches between 4 devices with 1 mouse. Note: You can’t control 4 devices at the same time. 【Ergonomic Natural Grip】 This vertical mouse bases on ergonomics, effectively reducing wrist strain and muscle pain by a natural handshake griping way. 【5 Adjustable DPI】 Switch between 1000/1600/2400/3200/4000 DPI to adjust mouse responsiveness depending on your need or preference. Optical Tracking Technology ensures greater sensitivity for precise tracking on a wide range of surfaces. 【Multifunction And Rechargeable】 Advanced “Page Back” and “Page Forward” functionality buttons positioned where the thumb rests increase web browsing convenience for internet surfers, gamers and people who work at length at the computer. Built-in rechargeable battery. You no longer need to buy batteries. 【Programmable & Wide Compatibility】 Intelligent macro defines function allows you to customize 6 buttons. Via attached software(please refer to manual), build your own professional mouse. Compatible with Windows 8/7/10/Vista/XP/2000, Mac OS X（over V10.4), Linux etc. (NOTE: Programmable function, forward and backward buttons are not recognized on Mac).