The Otofonix Helix Rechargeable Hearing Aids for adults is our newest, most powerful, advanced hearing aids. It has 4 listening programs, 10 volume levels, and thanks to the dual directional microphones, these hearing aids deliver the most superior noise cancellation. Rechargeable: Charge for two hours to get the hearing you deserve for ten. Advanced Noise Reduction: Control the sounds that you want to hear with four listening programs and ten volume levels. Nearly Invisible: Nobody will even notice your BTE, lightweight, 42-53dB gain w/EarHook Power Kit option, hearing aid when you wear it. Affordable Cost: Direct to you! We work with the manufacturer directly to bring you the best price without the middleman with savings of up to 90%.