SHUNJINRUN B400 Rechargeable 3-Mode Wireless Mouse possess the reliable quality and great service, please feel free to contact us if you have any problems. See more[1-YEAR WARRANTY and WIDE COMPATIBILITY] 45-day unconditional refund and 12 months repairing warranty. It is compatible with Windows 8/10/XP, vista and Mac OS system. Meanwhile, the bluetooth 5.0 is compatible with windows 8/10(but not windows 7 or xp), Android, Mac OS system; 2.4G USB connected mode support any usb enabled devices, plug and play.( 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, 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 800, 1200, 1600 meet both ordinary gaming and work, easily change the cursor sensitivity depending on your need. [SILENT CLICK and 6-COLOR LED LIGHT] Silent clicking design for left and right button fits the circumstance for using the mouse in public, such as library, dormitory, office and so on, this design results worry-free for disturbing others. 6 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 6 colors. [RECHARGEABLE & PORTABLE] Built-in 600mAh 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. [3-MODE BLUETOOTH WIRELESS MOUSE] SHUNJINRUN B400 wireless mouse can be connected by Bluetooth 5.0/3.0 and 2.4G. It connects up to 3 devices like Windows computer, MacBook and Android tablet, you can freely switch to each mode by clicking the mode switch button. The maximum operating distance of each mode is 10 meters.