Comfortable Wearing: Noise reduction hearing amplifier is made of high-quality silicone, which is soft, skin-friendly and elastic, it can provide a comfortable wearing experience. Adjustable angle, there is no difference between the left ear and the right ear. Ergonomically designed and will not fall off easily Bluetooth Hearing Aids: These bluetooth hearing aids work with both Android and iPhone devices for easy connectivity. Listen to music or TV and make phone calls with this bluetooth hearing amplifier. These features need to be operated on a cell phone Four Frequency Programs：Choose different modes; High, Low, Mid, and Wide to fit your listening environment, full gain up to 45dBs, it is suitable for mild to moderate hearing loss, enabling users to hear TV, conversations, and natural sounds with clarity. The hearing aid also features intelligent feedback suppression for a softer, more pleasant sound experience Rechargeable Hearing Amplifier: Hearing amplifiers for seniors can be fully charged in 1 hours and can be used for more than 8 hours, avoid daily expenses of buying batteries and charge anywhere . With practical design and simple appearance, portable hearing aids allow you to hear great sounds clearly in noisy environments Enjoy Conversation Again: Our hearing aids for seniors rechargeable with noise cancelling uses the latest upgraded 16-channel digital chip. These behind-the-ear hearing aids is designed for all day fit. You might actually forget you’re wearing them and barely visible to other people, it Amplifies the human voice effectively while reducing the background noise