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 Portable Folding Design: Allows easy VIP661858002563MN Portable Folding Design: Allows easy storage and transportation 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 4GHz frequency providing up to 100 feet of range with no lip sync delay for synchronized audio visual experience The SIMOLIO Dual Wireless Headphones SM829D2W provide an exceptional TV listening experience with a focus on clear dialogue and user comfort