HamiltonBuhl HA2-BLU Lab Pack - 24 Blue Headphones + Case cat_pa_systems swivel-to-mute Mic sensitivity -38 dB

swivel-to-mute Mic sensitivity -38 dB V/Pa ± 3 dB Warranty 2 years Packing 20 units per case

The Koss Porta Pro Classic Portable Headphones have achieved iconic status among audiophiles and everyday listeners alike

interactive educational apps

these headsets are designed for clarity

HamiltonBuhl HA2-BLU Lab Pack - 24 Blue Headphones + Case cat_pa_systems swivel-to-mute Mic sensitivity -38 dBDurable, classroomready listening kit featuring HamiltonBuhl HA2 personal headphones. Built to last and easy to clean ideal for lab use, testing, and school settings. Whats Included (24) HA2 Blue Personal Headphones (1) Heavyduty Polyester Carry Case (LCP3175) Compatible With MP3 Players Cell Phones Mobile Devices Tablets eReaders Chromebooks Computers (Mac & PC) CD Players Stereos Most Gaming Systems TVs Optional Accessories (Not Included): Refresh