Recommended for Moderate to Severe Hearing Loss Best Siemens DIGITAL Sound Quality and Noise Reduction Siemens is the largest manufacture of hearing aids LATEST DESIGN DIGITAL TOUCHING: Provides superior sound quality with low distortion Highly advanced feedback cancellation system 100% digital signal processing chip Microphone background noise abatement Push button hearing mode selection Telephone Phone T-Coil Mode (Phone Use) Excellent feedback elimination system Single easy to adjust NH Trimmer Ready-To-Wear New robust design Mini Size Moisture-Resistant Rocker volume control For use in either ear Includes 3 ear tips (sizes: small, medium, and large) Includes sound tube Uses Size 13 Zinc Air Batteries Siemens is the largest manufacture of hearing aids all over the world. This LATEST DESIGNED Lotus Touching model is, Ready-To-Wear, 100% Pure Digital, Mini Size, Super High Power, Behind-The-Ear hearing aid. It suits for Moderate to Severe hearing loss. The LOTUS family combines the latest trimmer technology with latest digital hearing features. For the wearer it means superior sound quality with competitive price. LOTUS family uses a highly advanced feedback elimination system, for comfortable hearing.