... and eye-catching 3.5mm audio jack and USB or SD card ,TF card interface supportRechargeable battery for portable usage ... iPhone, iPod, Cellphone, iPad, and morePLAY MUSIC WITH A SD CARD and TF cardManufacturer SpecificationsPrimary Function: Hamburger Mini Speaker Input ... : 3.5mm audio jack USB SD CARD Speaker Specifications - Loudspeaker Output 3W - SNR > 89db - ...