norm Product name: Rechargeable hearing aid accessories Product gross weight: The gross weight of a single product is about 7g Color: Skin tone, blue, black Product size :23*3cm/9.1*1.2in Maximum saturated sound pressure level: ≤129+3dB Output sound pressure level (high frequency average) : 120+4dB Full sound gain (high frequency average) : 38+5dB Frequency range: not narrow to 500HZ-3200HZ Total harmonic distortion: The maximum measured value should not exceed 8% Equivalent input noise level: The actual measured value should be less than 32dB Rated power supply current consumption: ≤2mA peculiarity 1. Rechargeable design: This hearing aid uses a rechargeable design, which is convenient for users to charge anytime and anywhere, avoiding the trouble of frequent battery replacement. 2. Sound amplification function: hearing AIDS have sound amplification function, which can effectively enhance the clarity and volume of the sound, helping the elderly and young people to better listen to the sound around them. 3.Suitable for a wide range of people: this hearing aid is suitable for the elderly and young people, can meet the hearing needs of different age groups, improve their quality of life. 4. Complete accessories: Hearing AIDS are equipped with a variety of auxiliary accessories, such as different sizes of earplugs, charging cables, etc., to ensure the user's convenience and comfort during use. 5. Easy to carry: The hearing aid design is compact and lightweight, easy to carry, the user can carry and use at any time, whether it is at home, going out or traveling. The package includes: The Engine Room specification hearing-aid Small brush recharger Earplugs (4 sizes)