Bluetooth allows devices to send data to each other without wires. An example of a Bluetooth device that may transfer data to your hearing aid is a smartphone. Examples of data that could be transferred from the smartphone to the hearing aid are phone calls, music and podcasts. This allows you to hear sounds directly into the hearing aid. Bluetooth compatibility also may allow the smartphone to be used as a remote control to make changes to the hearing aid.

The hearing aid can receive phone calls and other sounds from compatible smartphones.

A promise to repair a product during a limited time. Sometimes the product may be replaced. This is done because of a defect in the product with normal usage of the product. Check with the manufacturer for their policies.

The rechargeable battery, or power source, is built inside the hearing aid and does not require removal. It does require placing the hearing aid in the provided charger. On the other hand, replaceable batteries provide the power source to the hearing aid and need to be replaced in the hearing aid for the device to work. The size of the battery may vary based on the style of the hearing aid. How long the battery lasts depends on the size of the battery and how many hours a day the hearing aid is worn. It may be difficult to replace the battery in the hearing aid if you do not see well or have difficulty with hand movement.

A person from the hearing aid company is on hand to help answer any of your questions. Questions can be about the hearing aid and how it works or company policies. You may have questions before or after you purchase the hearing aids. Ways to contact the company may include phone, email, video chat or texting.

A telecoil (t-coil) is a feature of the hearing aid that allows the hearing aid to pick up a sound that is produced in a room that is set up to be telephone compatible. These rooms are identified by a sign that the room is telecoil compatible. You may find these listening systems in places of worship or theaters. This may help you hear the sound of interest better in a larger room.