hi-fi loudspeaker,could connect mobile phone,mp3, mp4,computer and common audio player alloyshell shows noble and fashionable Specification: With 2. ... listen to nice music, or just being hi-fi mp3 audio player, insert USB disk or TF card to play your ... enjoy the charm of digital products at any timeMain function: MP3 player+FM radioColor available: Black,Silver,Red,Pink, Blue,GreenKey function ...