<p><b> Super Effective Hearing Assist</b> - Ideal for most mild to moderate hearing loss. With noise reduction, these small devices will bring you back the clear world. </p> <p><b> Completely-in-Canal</b> - Very small and lightweight, no burden for ears for long time using. Great for people wearing glasses or masks. </p> <p><b> State of the Art Design</b> - Blue device for left ear, red device for right ear, pure white magenitic charging base. Nice appearance and easy to tell the two devices' direction. Obvious On/Off button for easy operation. </p> <p><b> Rechargeable </b>- Place it in the charging base, you will get a whole day using duration. As easy as charging a mobile phone - no need to dealing with batteries any more. </p> <p><b> Ear Protection Output </b>- Automatic sound gain control-output for hearing protection, won't suffer from sudden loud noise. </p>