Sound Amplifiers for ears , Rechargeable Digital Mini Personal Sound Amplifiers TV Earbuds with Portable Charging Box, Suitable for Adults, Elderly, Children, Black

EASY USE AND COMFORTABLE FEATURE- KIBVOE is aprofessional Sound Amplifier manufacturer and seller, which have produced a variety of Sound Amplifier. Our rechargeable Sound Amplifier designed by audiologist are easy, durable, and comfortable to wear in either of the ears. RECHARGEABLE FEATURES- Our Sound Amplifier run on high-quality lithium batteries, saving you the hassle of often buying coin cells. A full charge can be used for 20-24 hours. It can be charged via USB cable, you can charge it anytime, anywhere. COMPREHENSIVE UPGRADE- three modes, the received sound is divided into different frequency regions for separate analysis,processing and repetition, voice noise synchronous detection optimizes adaptation, layered noise reduction to reduce background noise. GIFT DESIGN- Our rechargeable Sound Amplifier are offered with exquisite packaging and complete accessories. We provide one unit, two types of sound tubes and ear domes, free to choose. Our Sound Amplifier will be great gifts for your friends or families. PERFECT AFTER-SALES SERVICE- Our team of professionals is ready to help you with any problem 24/7. If you have problems with our Sound Amplifier, please contact us directly. Enjoy a high-quality product with confidence. Specifications Colour: Black Model: EN-T201D open fit Maximum saturated sound pressure level: 130dB+3dB Average saturated sound pressure (OSPL90): 123dB+4dB Maximum gain: 50dB5dB Average gain: 42dB5dB Equivalent input noise level: 29dB3dB Frequency response range: 300Hz~4500Hz Total harmonic distortion: 5% Net Weight: 4g /0.009lb Battery: 30mAh Li-polymer battery Rated current: 5mA Overall size: 3.5*1.3*0.8cm/1.4*0.8*0.3inch Package List 1 Sound Amplifier 1 Cleaning Brush 1 Reverse guide sound tube 1 Shockproof Storage Box 3 Earplugs 1 Charging cable 1 Instruction manual