... SD card 5. custom logo free printing MP3/MP4 music players Features:capacity: 64Mb,128Mb,256MB,512MB,1G,2G, ... -colored products (white, silver, etc) 3. Laser engravingWorks with metal surfaces only Produces sharp, polished resultsMost durable (long-lasting ... box2. earphone3. specification4. 1pc MP3 or MP4 music player5. 1pc charger6. 1pc USB cable promotional mini MP3 music players with your logo