Eartec ULDM UltraLITE Double Master Headset, Classic Version

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Eartec ULDM UltraLITE Double Master Headset, Classic Version UltraLITE Double headsets allow users to remain in constant full duplex voice contact even while on the move. What sets them apart from most other wireless headsets is that they operate without belt pack transceivers. All electronics, even the battery, are installed right inside the ear cups. The UltraLITE Double includes deluxe padding and fully adjustable noise cancelling microphone to insure effective voice communication even in high noise environments. Key Features Self-contained "all-in-one" design: eliminates wires or belt-worn radios Wear on left or right ear: mic boom swivels 270 degrees. Dect technology: digital enhanced cordless telecommunications Lithium polymer batteries: provide continuous for 6 hr operation No FCC licensing: ready to go right out of the box. Technical Specifications Standard: DECT 6.0 (Digital Enhanced Cordless Telecommunications) Frequency: 1920 - 1930MHz (USA) Euro Frequency: 1880 - 1900MHz (EURO) Weight: 4 oz Channel Bandwidth: 1.728 GHz Modulation Type: GFSK Transmission Speed: 1.152 Mbps (Baud Rate) Duplexing: Time Division Duplex (TDD) Speech Encoding: ADPCM / 32bIt's RF Accessing: Time Division Multiple Access (TDMA) Range: 400m in open space Headset Power Supply: Rechargeable Lithium 3.7 V/ 800 mAh 3.0 Wh Charger Power Supply: AC / adapter: INPUT 110-40Vac OUTPUT 5.0V - 1 1000mA Charge Time: 3 hours Operation Time: 6 hours Normal Condition of Use: 0 C to 10 C Storage Temperature: -10 C to 60 C Show more