Product Code:42021G-01 Manufacturer Specs The HBT-30 Industrial Bluetooth Communication Headset is ideal for use with cell phones, 'ruggedized' tablets, computers a^' Bluetooth 4.0 technology pairs seamlessly with virtually any industrial smart device. Provides clear communication with the added benefit of OSHA-compliant hearing protection. High fidelity earphones provide superior audio performance. A noise-cancelling microphone ensures clear, crisp voice transmission. Comfort features make this headset easy to wear during long hours of use. And the HBT-30 headset provides 80 hours of continuous use on a full charge, so it's always ready to work when you are. Rugged construction for reliable performance Control button ergonomically placed on the headset dome Comfort-gel ear seals and soft, weather/moisture resistant head pad for all-day comfort Fully adjustable stirrup assembly for personalized fit M-55 noise cancelling microphone Flex/wire boom for easy, precise microphone placement USB charging cord included Up to 80 hours of continuous use without recharging FCC, IC, CE approved One Year Warranty