On hand and ready to ship asap ! F20D1 Pair CIC Rechargeable Hearing Aid Amplifier Invisible Ear Sound ITC. Features & details [CIC stealth design] – The device features a classic beige color scheme, and its compact size makes it comfortable to wear and discreet,Weighing only 2g with dimensions of 18*14.5*9mm.The charging case has a small and portable design that allows you to carry it with you wherever you go, whether you are working, traveling or living your daily life. You can easily use it anytime and anywhere. [One-button operation] – You can easily adjust the volume and switch modes by simply tapping the push button on the device. There are no complicated steps involved. When you take the device out of the charging case, it will automatically turn on, letting you enjoy a clear hearing experience at any time; and when you put it back into the charging case, it will automatically turn off, saving you the trouble of manually switching it on and off. [16-Channel digital circuitry] – The device uses a professional hearing aid chip and a 16-channel digital circuit to provide high-quality sound. More importantly, the hearing aid is equipped with adaptive noise reduction technology and adaptive feedback suppression function, which can filter and suppress the noise in the environment through intelligent algorithms, bringing you a clear and natural hearing experience. The maximum gain can reach 30 dB. [One charge for all-day use] – The device has a rechargeable function, using a high-performance lithium battery, which can be fully charged in only 2.5 hours, and can be used for 18 hours after being fully charged.Save you the trouble of frequent battery replacement. [4 modes to adapt to different environments] – The device offers four modes to meet your hearing needs in different environments. The first one is normal mode, suitable for daily life and indoor environment; the second one is noisy environment mode, which can optimize the sound for places with high noise levels; the third one is outdoor mode, suitable for outdoor activities, providing clearer sound; and the fourth one is phone mode.