hi-fi loudspeaker,could connect mobile phone,mp3, mp4,computer and common audio player, alloyshell shows noble and fashionable Specification: With 2.0 and 1.0 USB slot and AUX 3.5mm slot,being nice hi-fi loudspeaker, can be connected with mobile phone, mp3, mp4,computer and common audio player to listen to nice music, or just being hi-fi mp3 audio player, insert USB disk or TF card to play your ...