Feature: 1. Ultra-lightweight: This hearing aid is designed with a lightweight feature, making it comfortable to wear all day long. 2. Magnetic Charging Dock: Comes with a magnetic charging dock for easy and convenient charging. 3. Universal Fit: Designed to fit both left and right ears, providing flexibility and convenience for users. 4. Rechargeable: No need to constantly replace batteries, this hearing aid is rechargeable, making it more environmentally friendly and cost-effective. 5. High-Quality Sound: Provides clear and high-quality sound, enhancing the user\u0027s hearing experience. Specification: Features: Ultra-lightweight: This hearing aid is designed with a lightweight feature, making it comfortable to wear all day long. Magnetic Charging Dock: Comes with a magnetic charging dock for easy and convenient charging. Universal Fit: Designed to fit both left and right ears, providing flexibility and convenience for users. Rechargeable: No need to constantly replace batteries, this hearing aid is rechargeable, making it more environmentally friendly and cost-effective. High-Quality Sound: Provides clear and high-quality sound, enhancing the user's hearing experience. Specifications: Color: Silvery Max sound out put: 129+/- 3dB Sound gain: >= 40dB+/- 5dB Total harmonic wave distortion: <= 10% Frequency range: 450-3400MHz Input Noise: <=28 dB+/- 3dB Voltage: d.c.1.2V Current:<=1mA Charging time: about 2 hours Working time: about 40 hours Package size: 12*9*3.5cm Package weight: 75g Package List: 1 * Hearing Aid 4 * Earplugs 1 * Brush 1 * User Maual 1 * Charge dock 1 * USB Charging cable Package List: 1 * Hearing Aid 4 * Earplugs 1 * Brush 1 * User Maual 1 * Charge dock 1 * USB Charging cable