Samsung Level Link. Portable unit that can be used as a bluetooth receiver or sender. More information: http://www.samsung.com/us/televisions-home-theater/television-home-theater-accessories/home-theater/samsung-level-link-wireless-adapter-eo-rg920bbegus/

Use case 1: Connect to a TV or Stereo using 3.5mm headphone jack and broadcast audio to up to 2 bluetooth headphones

Use case 2: Connect to your favourite corded headphones and make them bluetooth enabled. Useful for iPhone 7 users.

As new, have only used them a few times but mostly have been sitting in the box. Looking for $50.