A neck worn hearing enhancement that has a flexible rubber cord. Includes 3 sizes of foam tips for various shapes and sizes.Features: Sound activated compressionHigh/low compression modePowered by rechargeable li-Ion batteryContinuous working hours - 15 hrsHigh gain omni directional microphones for clear sound enhancementHD speakers in the earbuds for wide range audio quality(3) Pairs of foam tips (S/M/L) includedRechargeable lithium battery12 inches USB charging cable includedEVA storage case includedNRR (noise reduction rating) 29 dB