Daidaita haɗe zuwa saman daban-daban, kamar tebur, bango, manyan fayiloli, da sauransu, don tunatarwa ko rikodin abubuwa a kowane lokaci.
Ana iya cirewa cikin sauƙi kuma a haɗa shi don canzawa ko matsar wuri.
Akwai shi cikin girma da launuka iri-iri don dacewa da buƙatu daban-daban da abubuwan zaɓi.