This heard in hearing device is designed for old people or people with hearing problems, suitable for those people who was hearing lo or patients. Low power consumption, high-fidelity, fine quality chip, invisibility fleshcolor surface will not incongruity in the crowd. User-oriented design make the hearing device can perfect the ear. You can have a try. Features: This heard in hearing device is designed for old people or people with hearing problems, suitable for those people who was hearing lo or patients. User-oriented design make the hearing device can perfect the ear. Low power consumption, high-fidelity, fine quality chip, invisibility fleshcolor body will not incongruity in the crowd. This affordable hearing device has volume control function, can adjust the volume to fit your own needs and preferences. Smaller, simpler, more conveient, more powerful and more stable. Use digit circuit, automatic noise dropping technology, natural sound, provides you a comfortable experience. Non-toxic material equipped with soft silica gel, will not harm your ear. Equipped with 3 earplugs, ergonomic design, will not feel pain even after long time wearing. Also provide advanced technology in ray of hearing device, to reduce electromagnetic interference. Specifications: Name: Hearing Device Material: silica gel Color: fleshcolor Max sound output: 110±3dB Sound-gain: ≥26dB±5dB Frequency-range: 400-4500MHz Input noise: 30dB Voltage: 1.5V Current: 3mA Battery: 2 * A10 lithium battery, 1.5V, 3mAh (included) Package size: 85 * 65 * 30mm / 3.35 * 2.56 * 1.18in Package weight: 58g / 2.05ounce Packing List: 1 * Host 3 * Ear Plugs 1 * Volume Adjustment Rod 1 * Instruction