1 Lithium Polymer batteries required. Support hearing aid mode and Bluetooth mode in two different modes. Supports making calls, listening to music, watching TV, and seamlessly switching between Bluetooth modes. (Bluetooth mode does not support hearing aid mode).
Volume adjustment for left and right ears? Our products can adjust the volume on the left and right ears, only one device needs to be adjusted at a time, and the volume of the two ears is adjusted synchronously. 4 hearing aid modes: Quiet Mode, Conversation Mode, Outdoor Mode, TV Mode.
Users can choose according to different usage scenarios. Ambient: 18 to 30 degrees. This item is in the category "Health & Beauty\Medical & Mobility\Daily Living Aids\Hearing Assistance\Hearing Aids". The seller is "duobaba" and is located in this country: US.
This item can be shipped to United States.