... MP3 6. Colors: black, red, blue, gold 7. Accessories: Line-in cable, USB cable, earphone, velvet bag, fixing device, string ... high-fidelity 10. Latest class D digital amplifier 11. Audio line-in for MP3 player connectivity, MP3, MP4, mobile phone, ... power adapter, computer USB power rotate connect line(optional)7.Accessory includes 1 USB cable, 1 line-in cablePacking: Unit Size: 60x46x103mmUnit Weight ...