Headphones; earphones and earbuds; audio mixers and amplifiers; audio headset stands; audio cables; rechargeable battery packs for audio systems; audio headset cables; USB cables; high definition multimedia interface cables; electrical power supply cables; microphones; audio headset ear pads; remote controls for CD players, for DVD players, and for televisions; audio speakers; audio speaker stands; radios incorporating clocks; electrical power strips; electrical surge protectors; carrying cas...