Both are new/open box, but have been sitting on shelf. Clear Sounds Quattro 4L is a neckloop which allows you to listen through telecoil on hearing aids and/or implant. Quattro has BT to connect to a cell phone or other BT devices. It also has a headphone cord to plug into computer/iPod or any similar device. Included accessory is the Blutooth phone hub which connects to a landline such as an office phone, sends sound to Quattro via Bluetooth which then sends sound to hearing aids and/or implant via telecoil. Can also be used alone to amplify the sound from telephone headset. Plugged them in/charged them to make sure they power on.

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