... )Can be prowerd by 1) Lovely hotsell audio tf card speaker2)mini speaker MP3 player card reader3)Portable, support plug 3.5 jack ... also work with many audio players like mp3/4,laptop etc.Specification:Support 15mm * 11mm SD Card, MMC Card, up to 4GBSupported music ... ;Package materials:speaker+Crystal Case+English manual +USB cable+Analog Card. Lovely hotsell audio tf card speakeraker