Wireless range up to 30'; 11mm drivers; sweat resistant; power on/off, volume and answer/end controls; in-line microphone; Bluetooth connectivity; 5 pin micro-USB type B (power only) connector; stereo output mode; headset rechargeable battery (runs up to 5 hours)
VHS recorder, camcorder and cassette. The Video Home System (VHS) is a standard for consumer-level analog video recording on tape cassettes. Developed by Victor Company of Japan (JVC) in the early 1970s, it was released in Japan in late 1976 and in the USA in early 1977.
DVD ( digital versatile disc  or  digital video disc ) is a digital optical disc storage format invented and developed by Philips, Sony, Toshiba, and Panasonic in 1995.