**********Wide Application -- Designed for use with any cordless phone with a standard 2.5 -millimeter jack; Boom-style microphone adjustable for optimum level. *****Hearing Protection Technology -- The microphone noise abatement can reach the aviation noise reduction level; Helical headphone cable which will avoid damaging during the use. *****Comfortable To Wear -- made of the flexible metal hose with the positioning accuracy MIC + Structural Design + Durable. *****The Best Call Quality -- Around 10, 000 times Testing, the microphone boom rotates, 330 degree adjustable boom; Helical headphone cable which will avoid damaging during the use.
*****Compatible Models -- Headsets for phone sales, telephone counseling services, insurance, hospitals, banks, telecom operators, enterprises etc.