Happy Hacking Keyboard Professional Unprinted PD-KB300NL White I am selling this keyboard because I was unable to master the unprinted keys. I have only used it occasionally, such as when I had to connect it via cable to restore my PC/Mac. As shown in the photos, the items included are the keyboard itself and the USB cable. Please check the photos for the condition of the keyboard. - Model: HHKB Professional - Manufacturer: PFU Limited - Color: White - Key Arrangement: English layout - Connection Method: Wired (USB connection) - Number of Keys: US 60-key layout - Key Specifications: Electrostatic capacitive non-contact, key stroke 4.0mm, pressing force 45g, cylindrical stepped sculpture, key pitch 19.05mm - Size: 294(W) × 110(D) × 37.9(H)mm (up to the top surface of the keycaps) - Weight: 520g (excluding cable)