Roger Neckloop works with any hearing aid or cochlear implant with t-coil to make it easier to understand speech in noise and/or over distances. Use it together with any Roger Transmitter at work, school, or social gatherings with friends or family to more easily hear and participate in the conversation! Roger Neckloop continuously monitors for background noise & speech in your environment, and uses noise suppression & gain settings to automatically adjust and provide the best possible speech understanding, even in the most challenging environments. Features Improved hearing performance. Using a t-coil from hearing aids or cochlear implants, Roger Neckloop gives you access to Roger technology for better speech understanding in noise & over distance. Easy to use. Simply turn it on & use the display and battery level indicator to easily see the status of the receiver. Rechargeable & Long Lasting. Includes a rechargeable lithium polymer battery that offers up to 10 hours of continuous use.