[New Device] Keychron V4

Name of device:

Keychron V4

Link to manufacturer's product page:

https://www.keychron.com/products/keychron-v4-qmk-custom-mechanical-keyboard

Please select what type of device/interface the device uses:

DeviceTypeUSB

ID information:

HID Keyboard Device kbdhid HID\VID_3434&PID_0340&MI_00\8&73C248&0&0000
HID Keyboard Device kbdhid HID\VID_3434&PID_0340&MI_02&COL04\8&B68AE34&0&0003

Please attach screenshots of the device's official control application here:

Please attach device captures here:

I tried the QMK+VIA Firmware from SignalRGB and it syncs, but their sofware is too heavy.
https://docs.signalrgb.com/qmk/srgbmods-qmk-firmware.

Currently using the latest firmware (1.3).

Checklist for Step2

• Name of device
• A link to the vendors product page has been included
• The transport bus has been identified and the appropriate label added to the issue.
• The device ID's have been included for USB or PCI
• Screenshots of the OEM Application are included
• There is either, appropriate code examples linked or suitable device captures attached