Hear what you’ve been missing! The MicroBionic® Sound Amplifier amplifies sound up to 45 decibels so you’ll never miss another word! Enjoy crystal clear sound reception with minimal background noise. Lightweight, comfortable device fits either ear. Rechargeable—no need for expensive batteries. Easy-to-use volume control. FDA listed. Single kit includes 1 sound amplifier, 3 ear buds. Dual kit includes 2 amplifiers, 6 ear buds. Both kits include one AC adapter, cleaning brush and storage case.