This is a simple budget setup the would fulfill your video conference needs.

ItemPrice
Refurbished Laptop300
Webcam (optional)15
Microphone (optional)22
Audio Splitter (optional)7.50
USB Speakers (optional)9.80
Wireless Mouse (optional)9.90
USB Hub (optional)8
TotalRM372.00
You can just use the laptop without the accessories. Oh yes, don’t forget the cost of delivery. About +RM10

Sample of items and prices found online.