... .Strong bass and perfect sound system Best quality of 4.1 home theater speaker with USB,SD card reader and FM radio ... 1320setsMOQ 1000sets1. 4.1ch Hi-Fi home theater speaker stands system .2. The speaker can adaptscomputer,laptop,DVD,VCD,CD ,MP3,TV ... stereo audio cableUser manualAfter service card Best quality of 4.1 home theater speaker with USB,SD card reader and FM radio ...