Hamilton HA-31 Guardian Headphone

with SLM™ (Sound Level Monitor) Technology with Charger

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Part number: HA-31/W980

The first SAFE Sound Headset that addresses the early childhood and special education needs identified by No Child Left Behind

Product Features:
* Hamilton's patented ASM™ Technology (Automatic Stereo/Mono Switching)
* Sealed in NiMH rechargeable batteries
* Operates for 125 hours on an overnight charge
* Comfortable, fully adjustable headband
* Large foam filled ear cushions, easily cleaned
* Speakers: 50mm wide range Mylar
* Charge time: 12-14 hours (Requires Hamilton W980 Charger)
* Green LED (Safe Listening Indicator): Indicates average SPL > 75dBA
* Red LED (Unsafe/Hearing Impaired Indicator): Indicates average SPL > 90dBA
* SLM (Sound Level Monitor) Technology
* Guardian headphone has LEDs that allow you to see the volume level from across the room
* Includes Adapter required to charge headphones - Part W980
* 1 Year Warranty

Also available in Lab Packs with headphones, case and jack box: