MIXFEER GE-T18 Digital Hearing Amplifier USB Hearing Aids Rechargeable Sound Amplifier 40hr Long-lasting Battery With Adapter 4 Silicone Tips & Cleaning Brush Blue

Features: USB charging, convenient and fast, long-lasting battery life, 2 hours of full , 40 hours of continuous work. Simple mini design, fashionable color matching. It's not just a , it's adjustable to fit both ears. Using digital chip and frequency control, it can easily adapt to different sound environments. The is adjustable, so you can change it according to your preference. Small size, lightweight, comfortable wearing feeling, will not cause ear pain, its neutral design makes it the perfect choice for both men and women. You will receive 1 Hearing Amplifier, 1 USB charging Adapter, 4 silicone tips, and 1 cleaning brush. Specifications: Item Type: GE-T18 Hearing Amplifier Material: ABS Color: Blue, Silver, Black (Optional) Max Sound Output: 129+/- 3dB Sound Gain:≥ 40dB+/- 5dB Total Harmonic Distortion:≤ 10%  Frequency :450-3400MHz Input Noise:≤32dB  Voltage: d.c.1.2V  Current: ≤1.2mA Full Charging Time: 2 hours Working Time: 40 hours     Battery Capacity: 30mAh Package Size: Approx.12*9*4cm / 4.7*3.5*1.6in Package Weight: Approx.103g / 3.6oz Package List: 1 * Hearing Amplifier 1 * Plug (/) 4 * Earplug Of Different Size 1 * English User Manual 1 * Cleaning brush 1 * Storage Box

USB charging, convenient and fast, long-lasting battery life, 2 hours of full , 40 hours of continuous work.Simple mini design, fashionable color matching. It's not just a , it's adjustable to fit both ears.Using digital chip and frequency control, it can easily adapt to different sound environments. The is adjustable, so you can change it according to your preference.Small size, lightweight, comfortable wearing feeling, will not cause ear pain, its neutral d