This discrete, lightweight sound amplifier is rechargeable so you don't have to buy expensive batteries. It fits easily and comfortably in either ear and amplifies sound up to 45 decibels so you can hear clearly with minimal background noise. Great for use in restaurants, theaters, concerts and more. Perfect for men or women. Sound amplifier comes with 3 replacement ear buds, a charger and storage case. PVC & electronics. Imported. Approx. 1"L x 3/4"W x 1/2"H.