【Natural, clear comfortable sound experience】Equipped with a real 64-channel wide dynamic range compression chip, it clearly amplifies soft speech and instantly suppresses harsh sounds, making the sound clearer and more comfortable, bringing a clearer and more natural conversation experience. Ultra-low latency experience, 8 milliseconds real-time audio processing, restores the natural sound field 【Upgraded AI noise reduction chip】Newly upgraded AI noise reduction chip. Traditional chips filter out noise and speech, resulting in unclear hearing. METIKO-ELCLEAR series AI noise reduction chips identify and suppress thousands of unwanted noises, highlighting the words and sounds that users need, ensuring a clear and focused listening experience. AI accelerator and voice enhancement algorithm improve the signal-to-noise ratio to up to 13.3dB. 【Bluetooth connection, smart app customization】Users can download the free app and connect via Bluetooth to customize the sound for even more detail, ensuring clearer and more comfortable listening. Adjust the volume, program, sampling rate, and ambient settings for each program to suit your unique needs. (Bluetooth connection is not available for receiving calls or playing audio.) 【Fast Charging Long Lasting】No more battery change. Full day of reliable hearing. Equipped with Type-C portable charging box, fully charged in 2 hours, can be used continuously for 20 hours; The charging box can charge the hearing aid 80 hours. The hearing aid has a battery life of up to 100 hours. 【Easy to Use and Comfortable to Wear】 The OTC hearing aids have a stylish appearance and is easy to use, so even the elderly can operate it with one hand. With a featherlight Receiver-in-Canal (RIC) design, they’re so comfortable you might forget you’re wearing them. The carefully crafted contour shape and soft materials conform to the unique shape of your ear, providing comfort for all-day wear. Multiple dome sizes are included to fit ears of all sizes