**1.Only 2.4g wireless is supported .**\
-Exclusive support for 3-channel switching (requires 3 receivers,like Bluetooth). Comes with one 2.4g receiver -There are no cables between the split keyboards, but the receiver needs to be plugged into the computer
**2.！！hot swappable switchs design, -！！support 3 and 5 pin MX switches（bottom socket ） -！！also support ****Gateron Low Profile switches****（top socket ）**
**3.Vial programmable with 4 layers , via is not supported. -It includes Macros, Tap Dance, Combos, key Overrides, qmk setting and other functional modules(all functional modules in vial)**
**4.FR4 Case Kit, 1.2MM top plate, 1.6MM bottom plate ,1.6MM PCB**
**5.Rechargeable,ultra-low power consumption, and long battery life -450mah Lithium battery（About 2.5 months battery life）**
**6.No lights**
**7.Pre-soldered**
**8.switches and keycaps are not included -！！MX switches or ****Gateron Low Profile switches****（not CHOC）**** -！！Gateron Low Profile switches Recommend Nuphy's keycaps -Only switches and keycaps need to be installed(hot swappable)**
-key sizes summary
1\**1 62*
*1\**1.25 4
Total 66
**9.Item list**
left and right handed keyboard \*1
2.4g receiver \*1
USB Type-C cable \*1
Non-slip foot mat \*1
---
# Agent Instructions: Querying This Documentation
If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.
Perform an HTTP GET request on the current page URL with the `ask` query parameter:
```
GET https://home.ifkb.tech/products/if-ergolite.md?ask=
```
The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.
Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.