For environments where users really need to concentrate on the call, there is a yoked double cable Binaural version, which gives greater clarity by providing sound in both ears. Supports Call Clarity and patented SoundGuard Plus technologies for superior sound Sound in both ears to help in hearing callers Soft ear cushions for comfort Adjustable headband provides an ultra-stable fit 10' coil cord with Quick DisconnectTM option Clear adjustable voice tube Adjustable clothing clip H61: Supra Binaural Headset Supra H61 Binaural Headset Headset Headset Express Plantronics Loracomm H61: Supra Binaural Headset