The questions are always the same three
What is the exact model, is it in stock, what warranty. An electronics seller answers those all day, and each answer is a delay in which the buyer checks a marketplace.
Specifications go in the description and as attributes, warranty goes in an FAQ block, and stock is a number that counts itself down.
Variants keep the catalogue honest
Capacities and colours are options on one product rather than four near-identical listings. Each carries its own price and stock, so a sold-out capacity shows as sold out instead of becoming an apology.
A search block once the range grows
Electronics catalogues get long. Beyond about thirty items, browsing stops working and searching starts. A search block plus categories by device type keeps a big range usable on a phone.
Trust is built in the chat, not on a badge
Nobody trusts a trust badge. What convinces an electronics buyer is a seller who answers, a clear warranty, and a shop that is where the conversation already is. That is the argument a Telegram shop makes structurally.
Where to begin
Start with the ten things you sell most, on the free plan, and see whether the orders arrive without the usual round of messages. If they do, the Starter plan at $19 a month takes you to 100 products and card payments inside Telegram with your own bot.