The Walker's Rope Hearing Enhancer is a neck worn hearing enhancement that has a flexible rubber cord. The Walker's Rope features sound activated compression with high and low modes, high gain omni directional microphones for clear sound enhancement, and HD speakers in the hearbuds for wide range audio quality. FeaturesSound Activated CompressionHigh/Low Compression ModeRechargeable Li-Ion Battery15 Hour Continuous Battery LifeHigh Gain Omni Directional Microphones HD Speakers in the Ear-buds3 Pairs of Foam Tips (S/M/L) Included12" USB Charging Cable IncludedEVA Storage Case IncludedNRR (Noise Reduction Rating) 29dB