Serene Innovations UA-50HS Headset Burs & Twist Drills use the test mode to

use the test mode to ensure all your settings are working and the battery back-up keeps your settings secure during a power-outage

Professional Quality Hearing Protection

Field tunable

85% Alcohol Formula

Available individually

Serene Innovations UA-50HS Headset Burs & Twist Drills use the test mode toSpecifically Designed for the Serene Innovations UA 50 Phone Amplifier Hi fidelity wide band speakers for loud and crystal clear conversations Adjustable volume Dual earphones allow you to listen with both ears Hi performance noise canceling microphone Flexible boom ensures precise microphone positioning to suit your needs Soft ear cushions for hours of comfort Light weight, slim and stylish design Composite headband for strength and durability 7 foot