... HOT! Computer Subwoofer 5.1 with Remote Control USB SD FM Karaoke and VFD Display Specifications: 1. Power (RMS): ... for subwoofer; plastic satellite speakers9. Usage: easy connection with USB, SD/MMC card, FM, PC, laptop, DVD, VCD ... , CD, TV, MP3/4, mobile phone, and other audio devices10. Package size: 500*250*440mm /set11. ... Subwoofer 5.1 with Remote Control USB SD FM Karaoke and VFD Display