Passive Noise Reduction Headphones QZ99 type_usb_c Each pack includes 50 individually

Each pack includes 50 individually packaged silver earbuds with a 3

and non-flammable & safe for electronics and users

and speaker mute functions directly from the headset with the intuitive in-line controls

Includes Instruction Manual

making them a perfect solution for educational environments

Passive Noise Reduction Headphones QZ99 type_usb_c Each pack includes 50 individuallyThe QZ99 Passive Noise Reduction headphones sport neodymium magnet structures that deliver outstanding clarity and definition. The closed Pneumalite ear cushions and extra secure headband create a tight seal around the ear eliminating all ambient noise. Durable and built to withstand the rigors of indoor and outdoor use, the Koss QZ99 also includes a volume control on the ear cup that makes adjusting sound levels a snap, and a stereo mono switch that