customized rubber keychain with flash light or music 1,recording time:0-270sec 2,press it to listen to sound 3 ... popular promotional gifts 1. Article Namecustomized rubber keychain with flash light or music 2. MaterialIron, ABS, speaker, pcb.3.Process / ... or led light Talking keychain is widely used for keys, key rings, promotion gifts, promotion show.Function: pressing different buttons, ...