This wireless transmitter allows you to stream high-quality stereo sound directly from your TV, stereo, or computer to your compatible ReSound, Beltone, or Cochlear hearing aids. Compatible with various wireless hearing aids from ReSound (including LiNX, LiNX2, LiNX 3D, LiNX Quattro, ENZO, and ONE lines), Beltone, and select Cochlear sound processors.