HIGH-PRECISION & WIDE COMPATIBILITY -- The professional Beken RF IC chip provide fantastic using experience of fast response, stable refresh rate, smooth tracking, precise movement. It is compatible with Windows 7/8/10/11/XP/Vista, Chrome OS and Mac OS system. ( P.S. Bluetooth 5.0 supports ios system for both ipad and iphone, but the ios system has to be ios 14 or later version. ERGONOMIC FASHION DESIGN & 3 ADJUSTABLE DPI -- Tough and domineering appearance, plating double wing, skin-friendly material to fit your hands perfectly, long-term use without fatigue. Fast response, stable refresh rate, smooth tracking, precise movement, provide a fantastic using experience. 3 adjustable DPI level between 1000, 1600, 2400 meet both ordinary gaming and work, easily change the cursor sensitivity depending on your need. 7-COLOR LED LIGHT -- 7 different colors LED light that change while in use, makes your mouse multi-colored and cool colorful.(Note: LED lights change colors automatically, and will not stay in one color, it will change regularly with 7 colors.The LED backlight can be turned on or off at the bottom power switch). RECHARGEABLE & PORTABLE -- Built-in durable rechargeable battery, easy charging by included USB cable. Adopt intelligent energy-saving design, standby time is long with auto sleep mode. The mouse can be used while charging, so there is no need to worry about the embarrassment of running out of battery. 2.4G USB receiver embed in mouse bottom, convenient to keep, slip the mouse into your bag and take up a small space. TRI-MODE BLUETOOTH WIRELESS MOUSE -- SHUNJINRUN wireless mouse can be connected by Bluetooth 5.0/3.0 and 2.4G USB. Once you complete the pair of bluetooth 5.0/3.0 or insert the usb, you can freely switch to each mode by clicking the mode switch button. The indication lights of bluetooth 5.0, bluetooth 3.0 and 2.4G USB are green, blue and red, respectively, and the maximum operating distance of each mode is 10 meters.