Choose slightly larger earplugs to avoid whistling. Insert the hearing aid into the ear canal and adjust its position in the ear canal until the soft ear tip fully unfolds and fills the ear canal;. If you hear a whistle, check whether the ear (silicone) is suitable, whether the size of the plug is tight.
eBay
Description NO PROGRAMMING: The problem with other is they have high frequency feedback and aren't user friendly. Because our product were made with ergonomically designed ear tubes and a digital processing volume control and memory. SPECS THAT ARE BETTER: This digital ear device has different listening modes, max sound alarm, active noise reduction, and a digital volume controller with memory function which means that you'll have total user control. .
eBay
ACCESSORIES INCLUDED: Each 4 different size of earplugs to help adjust to your ear canal for a comfortable fit. Each hearing amplifier included an extra button battery. Experience life without limits.
eBay
• Reduces background noise for better speech clarity. 🔋 Hear Clearly, Live Confidently – With Our Compact & Comfortable BTE Hearing Aid. 👵Perfect for Elderly or Hard of Hearing. ✔Ideal for Mild to Moderate Hearing Loss.
eBay
Input Noise:≤32dB. Max sound output:118±4dB. Sound gain: ≥32dB±2dB. Current:≤2mA.
eBay
Features:-With 16 channels of sound processing, this can help you remove noise and restore lost sound.-It will fit most people.-The hearing aids get 17 hours of use, and the charging case gives you an additional 70 hours of use, for a total of 87 hours. Every time you place your hearing aids in the charging case, they charge automatically.-With reference to the design of Bluetooth headsets, it is no different from ordinary Bluetooth headsets in appearance, and you can use it anywhere with confidence.-With hearing aids, you can continue to enjoy watching TV, talking with others, listening to music, etc.How to use:①Choose the hearing aid earplug that fits your ear tightly. ②Press and hold the hearing aid touch button to turn it on. ③Single clic.
eBay
eBay
【Charging Function】 We provide a USB charger to save you the trouble of buying batteries. The device can be easily turned on/off using the power switch. The volume can be easily adjusted by just touching the button without any tools. And he can be charged anywhere there is a USB socket, such as company computers, home sockets, etc.【Lasts all Day】: Time to upgrade your and forget about always running out or changing batteries. Now the Energy efficient rechargeable batteries gives you longer battery life and use between charges. Without changing batteries all the time you will be free to do the things you love【Charging Box】Machines can be fully charged within 2-3h and can reach an ultra-long standby time of 30h after being fully charged. With the c.
eBay