... portable mini speaker with FM,Line-in,TF slot for radio and mp3(J3) Specification: J3FM HI-FI Capsule MP3 ... Maximize(16) Volume;9. Portable style: for indoor and outdoor use10. A great partner for your travel, camping, on-the-road ... the speaker’s button to guarantee a good qualityWorkshops and cerficiates: more pruducts ,pls visit our web.site: ... mini speaker with FM,Line-in,TF slot for radio and mp3(J3)