rechargeable hifi portable wireless blueteeth stereo sound sd card usb speaker smart phones tablet pcs for ipods y20

hifi portable wireless blueteeth speaker stereo.sound tf subwoofer column speakers with for samsung computer phones.features:.outdoor blueteeth speaker, built-in bluetooth 4.2 wireless.transmission, working distance up to 10 meters..compatible with all bluetooth devices such as smart phones,.tablet pcs, for ipods ....blueteeth chip, clear sound and perfect quality, powerful bass.and can enjoy unhindered stereo music anytime, anywhere when you're out..stereo audio transmission protocol (a2dp v1.2