A word from Neo: "Hi, this is Neo Studio. We proudly present the Neo65 Core Plus—our newest 65-percent keyboard in the Core family. Instead of overwhelming you with technical specifications, we'll focus on how each design decision serves your real-world needs, from cleaner acoustics during late-night typing sessions to unwavering stability during intense gaming matches." Note: Oxidation of brass and copper weights is unavoidable due to the characteristics of these materials. If you are concerned about this, please choose another keyboard. 😅😅 The tri-mode PCB on this sale page comes with a pair of 2200mAh batteries (pre-installed). The wired PCB on this sale page comes with a pair of stainless steel fillers (pre-installed). The solder PCB on this sale page comes with a pair of foam fillers (pre-installed). If you want to edit your Neo65 Core Plus specifications, please do not edit the quantities in the shopping cart. Instead, visit the product page and "add to cart" again. Your order will be cancelled if more than 1 PCB or Plate from the kit listing is added to cart. Click here to purchase addons instead All PCBs are QMK-based and support VIA. DOES NOT COME WITH KEYCAPS AND SWITCHES. PLEASE PURCHASE IF YOU NEED SOME.