Update 2021-02-16

New - Details

1. DFU bottom, If you forgot set the DFU key on the keymap, just tap 2 times in 1 sec for DFU mode.

2. Serial Code, Important! for exchange, return and warranty.

New - Download

1. 48 Keys QMK Firmware

2. 48 Keys Keymap preview

3. 48 Keys UF2 files

4. Bluetooth Receiver Driver for Win 7

Remind

Don't download and use the suspicious firmware and UF2 file from other website.

Because it may include the back door code and not safety!

New - Quick Start

1. Connect with USB mode

2. Connect with BLE mode

3. Connect with other Bluetooth devices

4. Switch to different devices

5. Problems and Fix