Coby CVM809 2IN1 Digital Stereo Earphones with Handsfree Kit Coby CVM809 2IN1 Digital Stereo Earphones with Handsfree Kit. Coby Electronics is a prime manufacturer of quality consumer electronics that are designed to provide years of outstanding performance and sound reproduction. Unlike many other consumer electronics companies, Coby possesses an in house art and design department and an inhouse research and development department. These departments have been responsible for creating award winning packaging designs and exclusive and patented products.CVM809 is 2in1 digital stereo earphones with handsfree kit. Engineered with natural human factors for secure fit and maximum comfort in mindPerformance 15mm samarium cobalt drivers for super bass sound3.5mm goldplated stereo plug handsfree kit Hands free communication for cellular and cordless phones Automatic music distortion feature when incoming phone signal is detected Highly sensitive omnidirectional condenser microphone for best reception 2.5mm plug fitting most cellular and cordless phones.