Tech 18-400s krataa bag a wɔde yɛ afiri | Nneɛma a wɔyɛ no yiye, nhyehyɛe ketewaa bi a wogye tom #oyang .
Wobetumi asesa mprɛte no ntɛmntɛm bɛboro mpɛn 20 da biara , ɛnyɛ den sɛ wɔde kɛseyɛ nsakrae no bedi dwuma wɔ touch screen no so. Mfomsoɔ a ɛwɔ nsakraeɛ gyinabea nyinaa mu no yɛ ±0.5mm pɛ.