Simolio Dual Wireless Headphones for TV Watching with 2.4GHz Transmitter, Charging Stand, Spare Battery, Voice Clarity Technology, Tone and Balance Control, 100ft Range, Over Ear, Black A Bass Pro Invoice Amount 81 Doctor & Therapist Approved Pressure CONDITION:Like New Doctor & Therapist Approved Pressure Relief: Slow inflation and deflation cycles increase circulation and reduce pressure on skin and bony prominences to prevent and heal bed sores Outsole grade EVA with high traction rubber This wireless headphone set includes two over ear headphones 4GHz frequency providing up to 100 feet of range with no lip sync delay for synchronized audio visual experience