The Eartec ULDR UltraLITE Classic Double Remote Headset is a game - changer in wireless communication. It allows users to stay in full - duplex voice contact while on the move. Unlike most wireless headsets, it has a self - contained 'all - in - one' design, with all electronics and the battery inside the ear cups, eliminating the need for belt pack transceivers. It features deluxe padding and a fully adjustable noise - cancelling microphone, ensuring clear voice communication even in noisy environments. Key features include a 270 - degree swiveling mic boom for left or right ear wear, DECT technology for digital enhanced cordless telecommunications, lithium polymer batteries for 6 hours of continuous operation, and no need for FCC licensing. Technical specs: DECT 6.0 standard, frequency of 1920 - 1930MHz (USA) or 1880 - 1900MHz (EU), 4 oz weight, and more.

Using the Eartec ULDR UltraLITE Classic Double Remote Headset is easy. First, make sure the headset is fully charged. You can charge it using the provided charger for about 3 hours. Once charged, you can wear it on either your left or right ear and adjust the mic boom as needed. To start using it, just turn it on. You can stay in voice contact with others while moving around, up to a range of 400m in open space. When in high - noise areas, the noise - cancelling microphone will help ensure your voice is heard clearly. As for maintenance, keep the headset in a cool and dry place. The normal condition of use is between 0°C and 10°C, and it can be stored at temperatures between - 10°C and 60°C. If you're not using it for a long time, fully charge the battery before storage.