Serene Innovations Amplified Corded Phone Model HD-60The Serene Innovations HD 60 Jumbo Key Amplified Telephone with 600 Times Amplification is designed with those suffering from severe hearing loss and low vision. Product Features: High Definition Sound Technology for un matched clarity, a new standard in amplified telephone technology Amplifies incoming sound up to 600 times (over 55+dB), the most powerful in its class Selectable Digital Tone Setting allows you to boost and enhance the speech