jj4x4 jj4X4 16 keys Custom Mechanical Keyboard PCB programmed numpad layouts bface firmware with rgb bottom underglow alps mx

: In stock

: KPrepublic

Regular price $21.90 Sale

$21.90

jj4x4 pcb

JJ4x4 PCB

NOTE - Before soldering switches, please test all keys (use tweezers or iron wire) and LEDs(If PCB can or not support 2pin single colour led or RGB led) to make sure all functions work properly. BEFORE soldering, if the PCB has any key problems, we can re-ship a new one. AFTER soldering, we are sorry that we can't re-ship any replacements. However, we are able to help you to repair it (buyer needs to pay for the returning shipping fee). If you order our products, we assume that you agree with the above terms.

 

Spec
1\16 keys
2\Supports offline flash app
3\Fully programmable PCB
4\4 bottom RGB underglow leds(pre-soldered)
5\Standard ICSP interface
6\MX/ALPS Stem support
7\All components of the board have been pre-soldered so the PCB is ready for key switches and LEDs
8\Mini USB port
 
Pls pay attention: PCB only, not including other things.
 
How to flash JJ4x4:
IMG_3163IMG_3165IMG_3133IMG_3141IMG_3142IMG_3145IMG_3144
The jj4x4 jj4X4 16 keys Custom Mechanical Keyboard PCB programmed numpad layouts bface firmware with rgb bottom underglow alps mx is the product you didn't think you need, but once you have it, something you won't want to live without.

Inventory Last Updated: Dec 04, 2020

Returns Policy

During COVID-19, If you do not receive the goods after 90 days, please contact us in time. We will contact the express company for you. If we confirm that the goods cannot arrive or are lost, we will refund to you.

If there is any defect or defect in the product you received, please contact us in time and attach video or picture description. After confirmation, we will send you a replacement product for free. Thank you for your understanding and support.

UPDATE - Since the COVID-19, the longest shipping time we encounter is over 140 days with free shipping. If you don't receive the parcel after 140 days, please feel free to contact us for a solution (refund or reshipment). NOTE - the 140-day starter is from the day you have the tracking info, NOT from the day when you place the order.

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (it depends on how fast the courier you use for return), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you want to return item(s), after communication with KPrepublic Customer Service, please make sure the items in good condition which are good for future sell. Normally, KPrepublic will ship you a replacement of the defect items or wrong items. When returned, please leave a note in the package with your order number so that we can know who ships the parcel and give you a refund as soon as possible.

Shipping

We can ship to virtually any address in the world. Usually we will ship all items within 5 days(Except Group Buy or Pre-order products, those above depends on Actual production time which is shown at product page).Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page,and usually you will receive the package within 30 days atter we ship it.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.