For use with Pocketalker 2.0. Use with hearing aids that are Tele-Coil equipped or cochlear implants equipped with a T-coil switch. 3.5 mm stereo plug, mono, 8 – 16 Ω. Moderate to severe hearing loss. Integrated safety breakaway device. 18″ Cord. 3.5 mm stereo plug. Recommended for PockeTalker 2.0, FM receivers and select IR receivers. For individuals with moderate to severe hearing loss.