Easy to carry digital-1 receiver with listener in mind. Small, attractive, durable, easy to use and provides excellent audio for hearing-impaired people. The Digital-1 Receiver is designed with the flexibility of a tunable system and the enhancement of a digital tuning processor. Rather than just increasing the volume, it makes the audio more intelligible. The digital-tuning processor ensures the receiver will stay locked on to a particular frequency regardless of normal changes in humidity, temperature or rough handling. For classroom and other applications that require extended battery life, the Digital-1 Receiver is the perfect fit.