high quality Real-Time Conversation Enhancement: hearing devices provides uninterrupted engagement in noisy group conversations by seamlessly tracking the locations of all conversation partners and enhancing their speech. Making it easier and more comfortable for you to hear in noisy settings. The sound quality is consistent, long lasting, and sharp, without whistling or feedback - you can easily control the volume for your individual needs. Works great for high tones and TV dialog as well.Background Noise Cancellation: The hearing aids comes with built-in intelligent chip own the function of multi-directional noise reduction . The smart chip divides sounds to different channel frequencies which improving processing, noise cancellation, feedback suppression and background noise removal significantly .These are perfect for mild to moderate hearing loss.Virtually Invisible and All-Day Comfort: The hearing aids are ergonomically designed, fits the ear canal, is not easy to fall off, and is comfortable to wear for long time. The upgraded hearing device is 30% smaller than other model, so there is no burden to wear it. And the devices are sleek, small, and virtually invisible.No one will know you're wearing them.LED Displaying Remaining Power: The high-definition LED display screen can clearly show remaining power. No longer worrying about the battery, travel with peace of mind, and refuse battery anxiety. Creative design of the running LED make the hearing aids more fashionable. The wireless charging case charges hearing aid batteries for up to 12 hours of better hearing from a 2-hour chargeand provides 3 additional full charge to power your hearing aids on the go.One Button Control: Different modes are specially designed for this hearing aid to meet the needs of different environments, which are as follows: daily mode suitable for daily use, listening mode for meeting or watching TV, and outdoor mode suitable for outdoor noisy environments. Long press the button to switch mode. Short press to adjust volume. 4 volume levels are available. And the hearing aid has mode memory function for easy use.