【Hearing aids for seniors - No Whistling,No Feedback】LINNER Clarity hearing aids are designed toenhance speech clarity while minimizing background noise, making conversationseasier to follow. These BTE hearing aids deliver natural, comfortable soundwith zero feedback or whistling—even at higher volume levels. 【24-Hour Battery + 100-Hour Total withCharging Case】 Enjoy all-day use with rechargeablehearing aids that last up to 24 hours per charge and 100 hours total with theportable charging case. Featuring USB-C fast charging, these long battery lifehearing amplifiers for adults are ideal for travel, daily use, or extendedoutdoor wear. 【3 Listening Modes & 9 Volume Levels】These OTC hearing aids feature three listeningmodes—Conversation, TV, and Outdoor—to adapt to different environments. With 9precise volume levels, they offer personalized sound control and clear hearingsupport for seniors with mild to moderate hearing loss. 【Easy to Use - No App, No Setup Needed】Built for simplicity, these user-friendly hearing aids for seniorsare ready to use right out of the box. Easily adjust volume or switch modeswith intuitive one-button controls—no smartphone, pairing, or app needed. Idealfor adults seeking hassle-free hearing improvement. 【Hear Clearly Again - Safe & Reliable】Hear clearly and confidently with LINNER hearing aids,designed for safe and comfortable daily use. Suitable for adults with mild tomoderate hearing loss, these FDA OTC compliant hearing aids come withresponsive customer support and hassle-free returns for peace of mind. ASIN B0GC67BQ7K Color Black Material Acrylonitrile Butadiene Styrene (ABS) Brand Name LINNER Model Name LINNER-B810-FHE712 Unit Count 2.2963 Ounce Item Weight 0.14 Pounds Control Type Button Control Manufacturer AUSTAR HEARING SCIENCE & TECHNOLOGY (XIAMEN) CO., LTD Model Number LINNER-B810-FHE712 Power Source Battery Powered Noise Control Active Noise Cancellation Product Style B810 Battery Weight 7 Grams Outer Material abs Special Features Rechargeable Audio Sensitivity 10 Decibels Battery Description Lithium-Ion Included Components Domes, Replacement Number of Batteries 3 Lithium Ion batteries required. (included) Item Dimensions L x W 2.4 L x 2.13 W Lithium Battery Weight 0.1 Grams Lithium Battery Voltage 3.7 Volts Battery Cell Composition Lithium Ion Recommended Uses For Product TV Watching Includes Rechargeable Battery No Global Trade Identification Number 00860013922047