Nikura's Tone High definition headphones feature noise isolation Protection against harmful radiation Lightweight design and much more to help accommodate your needs! Ergonomic TONE design for optimal sound constitution pitchand resonance. Stereo hands free earphones. Silicon fittings for noise isolation and sound leakage prevention. Protects against harmful radiation. Crystal clear sound for an enhanced music experience. Lightweight design. Single button remote for answer/end call as well as pause/play music control. Color: Green. Harmony High Definition Noise.