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Hearing Aids for Ears, USB Digital Hearing Amplifier for Seniors with Ear Sound Amplifier and Noise Cancellation Cordless Leaf Blower which means that even withoutAbout this item Product details Clear Sound Experience Vinsic hearing amplifier built in noise reduction chip efficiently reduces noise and amplifies the sound surround you, makes you enjoy clear hearing again. Recycle Charging This ear amplifier is rechargeable with a USB. Charging 3 hours, use more than 80 hours. Save your time and money from buying and changing batteries frequently. Easy to Use Simple button operation, 1 button to adjust volume, 1