GRFE21121 5 0 USB RGB.jpg. : : NONE : 1 DPI: 1600 : 6 : Power Type: : bluetooth Connection Mode with Computer: Wireless Roller Direction: The Four Roller Wireless Frequency: 2. 4GHz The Mouse over It So That Its Real Size: Ordinary Mouse (100 120mm) Whether Ergonomics Is Supported: Support Applicable Models: Desktop Key Number: 6 Product Weight: 0. 110 Interface: USB Characteristics: Game Mouse, Ergonomic,Bluetooth mouse Photoelectric Resolution: 1600dpi Operating Distance: 8 Working Methods: Photoelectric Length: 0. 5 Adjustable Resolution: The Fourth Gear Type: Wireless Mouse,Bluetooth mouse,touch mouse