Optical Vertical Mouse Multi-colors Backlit 800-4000 dpi 4 Adjustable DPI Levels 6 pcs KeysOptical Vertical Mouse Multi colors Backlit 800 4000 dpi 4 Adjustable DPI Levels 6 pcs Keys Specifications Mouse Type: Vertical MouseWireless Bluetooth Range (m): 10Sensor Type: OpticalNumber of Mouse Keys (pcs): 6Mouse DPI (dpi): 800 4000Illumination: Multi colors BacklitConnection: Bluetooth, Wireless, WiredCompatible Devices: MacBook, Tablet, PC,LaptopPolling Rate (Hz ms): 125 1000Adjustable DPI Level: 4 Adjustable DPI LevelsMouse Features: with