Description: This mini sound amplifier will offer you precise sound amplification. USB rechargeable, simple to operate, it will be 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 3 different sizes, not easy to slip off, it will be very comfortable to wear for a long time. Adjustable volume, you can turn up the volume from low to high to meet your need with the mini stick. 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. Portable, equipped with a lanyard and a storage case, convenient for you to carry. Rechargeable, simple for you to make it full of power. Tips: For your safety, please charge this hearing aids with original EU plug. It's not compatible with other EU plug. Besides, it's not USB charging. Specifications: Type: Hearing Aid Model: JZ-1088H3 Material: Silica Gel; ABS; Metal Color: Khaki Max Sound Output: 1254dB Total Harmonic Wave Distortion Sound Gain: 38dB Frequency Range: 450~3500Hz Input Noise: 30dB Ni-MH Voltage: DC 1.2V Working Current: 2mA Package Size: Approx. 14.2 * 10 * 5cm / 5.59 * 3.94 * 1.97in Package Weight: Approx. 176g / 6.21oz Note: Please read the user manual carefully before use. Package List: 1 * Hearing Aid 1 * Adapter (EU Plug) 1 * USB Cable 3 * Earplugs 1 * Lanyard 1 * Volume Adjustment Stick 1 * English User Manual