Yes, WhatsApp Web requires a stable connection on both devices. All you need is a PC and a good internet connection on your mobile phone and PC. If you use WhatsApp to work and run a business, then WhatsApp web on your PC can really help you. The messages that you send and receive are synced between your phone and computer, and you can see your messages on both devices. WhatsApp Web and Desktop are basically computer-based extensions of WhatsApp accounts on your phone. WhatsApp Messenger or WhatsApp is an instant and cross-platform messaging application on smartphones that allows users to send and receive messages without using credit but with an internet connection.
It can be used for communication, chat, video calls, sending voice notes, contacts, voice notes, photos, and videos to documents.