customized rubber keychain with flash light or music 1,recording time:0-270sec 2,press ... as popular promotional gifts 1. Article Namecustomized rubber keychain with flash light or music 2. MaterialIron, ABS, speaker, pcb.3.Process ... for normal usecording time:0-270secSound length: 6-60 secondsSound type: voices, songs, melodies, phrases, sentences, messagesOEM item: ideas, prototypes, drawings ...