Description: USB rechargeable, simple to operate, this mini sound amplifier will offer you precise sound amplification. Convenient for daily use and travel use. You will regain the pleasure of enjoying music, movies and TV programs with it. Come and have a look. Features: Comes with silicone ear plugs in 6 different sizes, not easy to slip off, it will be very comfortable to wear for a long time. Reliable quality, made of user-friendly material, flexible, safe to wear without harming ear canal. Easy to operate, helping you regain the pleasure of enjoying music, movies and TV programs. Adjustable volume, you can turn up the volume from low to high to meet your need. Rechargeable, simple for you to make it full of power. Tips: For your safety, please charge this hearing aids with EU plug. It's not compatible with other EU plug. Besides, it's not USB charging. Specifications: Type: Hearing Aid Model: JZ-1088F2 Material: Silica Gel; ABS; Metal Color: Khaki Max Sound Output: 1235dB Total Harmonic Wave Distortion: 10% Sound Gain: 335dB Frequency Range: 200~3700Hz Input Noise: 32dB Ni-MH Voltage: DC 1.2V Working Current: 10mA Package Size: Approx. 14.5 * 10.5 * 3.8cm / 5.71 * 4.13 * 1.5in Package Weight: Approx. 115g / 4.06oz Note: Please read the user manual carefully before use. Package List: 1 * Hearing Aid 1 * Adapter (EU Plug) 1 * USB Cable 6 * Earplugs 1 * Cleaning Brush 1 * Charging Base 1 * English User Manual