1, gbogbo ọja oni-nọmba ibaramu, ṣe atilẹyin gbogbo iru-C ohun afetigbọ alagbeka.
Gigun 2,10cm, rọrun lati mu jade ati ibi ipamọ.
3, ṣe pẹlu ohun elo TPE, rirọ ati rilara ifọwọkan itunu
4, Isakoṣo latọna jijin, orin yipada, titẹ idahun, rọrun lati lo,
