1. This hearing aid is specially designed for the elderly or people with hearing problems, suitable for those people or patients with hearing loss.2. Low power consumption, high fidelity, high-quality chips, and invisible flesh-colored surface will not appear incongruous in the crowd.3. With volume control function, the volume can be adjusted to meet your own needs and preferences.4. Built-in battery power supply, smaller, simpler, more convenient, more powerful and more stable.5. With digital circuit and automatic noise reduction technology, the sound is natural and brings you a comfortable experience.6. Ergonomic earplug design, even if you wear it for a long time, you will not feel pain. Specification:1. Material: plastic 2. Battery: 1 A10 battery, 1.4V, 1.2mA3. Maximum sound output: 122+/-3dB4. Sound gain: greater than or equal to 28dB+/-2dB5. Total harmonic distortion: less than or equal to 3%6. Frequency range: 300-4800MHz 7. Input noise: less than or equal to 26dBCaution: To avoid accidental swallowing by children, keep small parts out of reach of children
18 Руб.
1. Material: plastic 2. Applicable objects: children (4-6 years old)3. Large particles of building blocks, small hands steady grip and good building 4. 180 degrees rotary opening and closing, open and play without constraints, closed for easy moving and storage 5. Can be freely assembled, exercise children thinking ability and hands-on ability 6. Full of colors, solid construction is not easy to fall apart 7. Rounded corners, smooth and burr-free, play without hurting your hands 8. Internal light accessories are powered by button battery
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