NKL 001 on August 25, 2015 | Marketing Team NECKLOOP 18"Use with hearing aids equipped with a T-coil switch or an induction earphone. 3.5 mm plug, mono, 8 - 16 Ω. Moderate to severe hearing loss. Safety Breakaway FeatureIntegrated safety breakaway device. In the event the neckloop cord becomes entangled with a object in motion, the breakaway device will disconnect the neckloop from the user.