Spark High Definition In-ear Headphones are the combination of precision acoustics, unique design and expert ergonomic research. Powerful and accurate acoustics are achieved through high performance dynamic driver and special high definition acoustic filter built-in, resulting in full, explosive bass, intense mid-range and clear treble frequency response that will put a smile on your face...
Hook up your television, MP3, game or DVD player to the transmitting tower and listen in private as you move around, free from connecting wires. Takes 4 AAA batteries (not included) or use DC jack with power adaptor (sold separately) Headphones expand 20-22 1/2". Transmitting tower, 8" H. Plastic, metal.