Feature: 1. 8?key custom macro programming, A5050 professional gaming chip, the backlight defaults to breathing mode, press DPI for about 5 seconds to switch four?color lights. 2. Luminous crystal ball design, the crystal ball at the tail of the mouse supports the hand, which increases the balanced and is more stable. 3. Removable counterweight design, with a counterweight card slot on the right side of the mouse, free counterweight, no tools required to remove the quick?release design, easy to operate. 4. The position of the palm rest can be adjusted back and forth. You only need to loosen the hex screw rod on the back of the palm rest with a hex screwdriver to easily adjust the position of the palm rest. 5. Cool 4?color synchronized breathing, green/red/blue/ four?color breathing light, DPI control by driving setting: standard, breathing, neon 3 light modes can be switched. Specification: Item Type: Gaming Mouse Maximum Speed: 200 IPS Working Voltage And Current: 5V-100mA Plug Type: USB interface Number of Keys: 8 keys Button Life: 20 million times DPI Switching: 1000-1500-2000-2500 freely adjustable Line Length: ? approx. 1.5meter / 4.9ft Light Effect Features: Four-color breathing light/height adjustment/closable Ergonomics: Support System Requirements: For Windows XP/Vista/7/8/10/OS X Package List: 1 x User Manual 1 x Mouse 1 x Hex Wrench 1 x Crystal Ball Note: The crystal ball can also be replaced. It is in the box. See moreCool 4-color synchronized breathing, green/red/blue/ four-color breathing light, DPI control by driving setting: standard, breathing, neon 3 light modes can be switched. The position of the palm rest can be adjusted back and forth. You only need to loosen the hex screw rod on the back of the palm rest with a hex screwdriver to easily adjust the position of the palm rest. Removable counterweight design, with a counterweight card slot on the right side of the mouse, free counterweight, no tools required to remove the quick-release design, easy to operate. Luminous crystal ball design, the crystal ball at the tail of the mouse supports the hand, which increases the balanced and is more stable. 8-key custom macro programming, A5050 professional gaming chip, the backlight defaults to breathing mode, press DPI for about 5 seconds to switch four-color lights.