Specification:1. Model: PK-9002. Item: Mechanical Gaming Keyboard3. Connection: USB Wired4. Layout: 104 Keys ANSI Layout5.  Switch: Blue Switch6. Backlight: Colorful Breathing Backlight7. Backlight adjustment: High, Medium,Low Luminance8. Cable Length: 1.8m9. Key Life: 10 Million Times10. Operating Voltage: 5V11. Operating Current: 100mA12. Size: 490 x 255 x 40mmFeatures:1. 104 keys layout, supports NKRO, all keys clicking without conflict.2. Blue switch design, excellent clicking feeling and clicky sound, and supports CIY switch, you could change the switches easily.3. PBT texture keycaps, not easy to shine as ABS keycaps, and more durable for use.4. With an phone support, you could place the phone in front of you, no longer misses the important message.Package Included:1 * PK-900 104 Keys NKRO CIY Blue Switch Colorful Backlit Mechanical Gaming Keyboard