hǎitún40 Keyboard In-stock Extras

Sale price Price $260.00 Regular price Unit price  per 



Base Kit includes

Add-ons can be purchased here by adding the items in the same cart at https://jackylab.com/products/copy-of-h%C7%8Eitun40-keyboard-in-stock-extras-add-ons

  • $55 Hotswap PCB with Daughterboard and JST Cable
  • $55 Solder PCB with Daughterboard and JST Cable
  • $7 Gaskets
  • $4 Feet

Price and Conditions

$320 for PC or Aluminum case, it's all A-stock.


$850 for PVD full brass case, it's B-stock (no obvious flaws)

$650 for e-clear full brass case, it's C-stock (see pictures below, the new e-clear process makes the surface more wear-resistant. small scratches on the front can only be seen at certain angles, there are marks on the sides, no dents and no other scratches)

Size comparison

Purchase Terms

Accepted payment method: PayPal only

Estimated shipping time: 1 week for the start of shipping, which could be shorter or longer depending situations


Shipping will not be collected at purchase time, it will be collected at shipping time (ship from China HK). Do remember to fill in your phone number when checking out, it’s important for shipping and without phone number your order will be delayed for shipping.

Please choose the Color options via the drop-down options.

In-stock Extras orders are final: no modifications, no merging orders with different accounts, no cancellation or refund. Any special request will result in a 10% fee on the amount refunded.


By making a purchase on our website, you agree to the terms and conditions. It is important that you carefully read and understand these terms before making a purchase.


  • The keyboard case is constructed using 6063 aluminum and undergoes either anodization or e-coating as a surface treatment.

  • The typing angle is set at 5 degrees, and the weight of the keyboard is approximately 2KG.

  • The dimensions of the keyboard are 313mm x 129mm x 28mm.

  • The printed circuit board (PCB) is equipped with a hotswap feature, Bluetooth connectivity, and measures 1.2mm in thickness. It is colored black with gold trace.

  • The keyboard's microcontroller (MCU) consists of either an stm32f401 and 52810(5.0) or 51822(4.0) and does not feature switches led. It supports Vial and VIA, and its firmware code is publicly available.

  • The case material is made of aluminum and brass.