Suitable for conference discussion, watching TV, bird watching and listening the speeches.1. For recharging issue, They need to turn the hearing device in ON position. Then either use AC Adapter or Battery to charge the hearing amplifier.
Soft and flexible hook fits over the ear. Ear buds: 2 types with 4 sizes each. 3. There is a build-in Noise-Free function in this hearing amplifier. It will lower down the background noise when you are in a public place with many people around. 4. Also, there is an 8 - 10 second delay to avoid feedback noise after you turn on the hearing device.
Build in Noise-Free function.
Use up to 16 hours when fully charged.
2. The static or whistle sound usually caused by the wrong size of ear bud. It''s very important to find the best fitted ear bud for him/her and stick in the ear bud into his/her ear canal tightly. Even small tiny gap between the ear bud and your ear channel will allow air go through and cause static/whistle/buzz noise. Currently, this product comes with 7 different sizes ear buds (2 types) to fit most customers. We always provide customer service if they need different type/size of ear bus.There is a 8-10 second delay to avoid feedback suppression after you turn on the hearing device.

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 5 inch
Height : 2.2 inch
Length : 8.3 inch

Item Weight: 0.16 ounce (View shipping rates and policies)
Shipping Weight: 10.4 ounce (View shipping rates and policies)

ASIN : B00GUXQZMI