Great for men and women, this set of 2 discreet sound amplifiers increases amplification up to 30X for excellent help with hearing loss! The volume is adjustable so you can enjoy conversations, music, TV shows and even birds chirping. Significantly less expensive than a hearing aid, the rechargeable ear pieces fit comfortably behind your right or left ears. No batteries required – it includes a rapid double charger with adapter, 12 interchangeable silicone tips for a custom fit, and a cleaning brush. The comfortable and discreet amplifier is easy to use and provides up to 20 continuous hours of sound amplification on a single charge. Plastic and electronics. Approx. 2 1/3"L x 2 1/3"W x 2 1/4"H. Set of 2.