BT75 PCB

Description
The BT75 is a simple, functional, and wireless 75% PCB, that drops into most cases. It’s an easy and inexpensive upgrade to free yourself from wires for weeks at a time, without having to miss out on underglow or per-key lighting! 

Features 
Bluetooth Connectivity (Works in metal cases!)
Connects up-to 5 devices
Full RGB Underglow 
South-facing per-key LEDs - Bright White (Hotswap Only)
Space for South-facing Through-hole LEDs (Soldered Only)
Ultra-thin 1200mAh battery

Controller 
Holyiot 18010 Nordic NRF52840 Module

Firmware
ZMK 

Bootloader
UF2

Socket type
USB Type C

Size (Not including Battery)
Length - 115mm
Width - 305mm
Thickness - 5mm

Compatible Layouts
ANSI
ISO
Options for split HHKB style Backspace (Soldered Only)

Case Compatibility
Standard 75% mounting points

Required to Complete (Up-to)
Switches x87
Keycaps x87
2u Stabilizers x4
6.25 Stabilizer
75% Case and Screws

Battery

Description
Filament Power Ultra Thin LiPO
Fits between the standoffs in almost all tray mount setups

Specifications
JST-SH Connector
Battery Capacity 1200mAh

Size 
Length - 80mm
Width - 30mm
Thickness - 1.5mm

Useful links
Firmware Configurator

PLEASE NOTE: The BT75 Standard has a fault where the LEDs do not work without soldering a wire (included) between two contact points, as shown here.