Haoponer Portable Sport Mini Multimedia Digital Speaker USB Falsh Drive Micro SD Card Music MP3 Player FM Radio for Outdoor Computer Mobile Phone Travel Bicycle Blue Good quality and good value that will meet your audio need The most hot sell amplifier with 3.5mm live voice wire line in can be a amlifier for cell phone computer and MP3 MP4,it can be chargeable by computer Or usb power adapter? Support micro sd card(TF card)Memory Play:Auto remember the last song&play mode played Built-in FM Radio,radio module,automatic atation search,pristine sound quality,easy to use It can show Song name,Lyrics,and singer's name