Jecpp f-189 hearing aid digital almost invisible personal sound hearing amplifier digital chip and frequency control The product is shipped based on the color or size of the main image of the product page. JECPP F-189 Hearing Aid Digital Almost Invisible Personal Sound Hearing Amplifier Digital Chip and Frequency Control Features: This personal sound amplifier is built with a digital chip and frequency control to adapt easily for different sound environments. Premium battery with longest life available in hearing amplifier industry. Small behind the ear amplifier designed to be practically invisible and very light weight. Rotatable ear piece to allow this digital hearing amplifier to be worn in either ear. Super efficient power consumption. All day comfort with this small, discreet device. Active digital noise reduction design. Descriptions: Modern stylish design and easy to wear. Compact size makes it easy to store and carry. Help you regain your hearing so you can live a life you're used to. Specifications: Brand Name: JECPP Model: F-189 Material: Plastic, Metal Color: beige Size: 40*40*15mm Max sound output: 130±5dB Sound gain: ≥50dB Total harmonic wave distortion: ≤5% Frequency range: 300-4000Hz Input noise: ≤30dB Voltage: DC 1.5V Current: ≤4mA Package Included: 1 x Hearing Aid 1 x Cleaning Brush 1 x Operation Manual 1 x Qualified Certificate 1 x Carrying Case 1 x Ear tips Pack 2 x Cells Note: The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.