JVC is one of the world's leading developers and manufacturers of sophisticated audio, video and related software products. Building upon a wealth of technologies the company is moving decisively to offer appropriate solutions for the multimedia age. To remain at the forefront of the audiovisual industry into the 21st century, JVC is marshalling its resources to create the ultimate in appealing, cost-competitive products.??PRODUCT FEATURES:??2.5 mm jack available for most cell or cordless phones;?Ergonomic design with 4 foot cord;?Earpiece with short are microphone;?Adjustable earphone nozzle to fit your right or left ear.