NiceTQ Replacement 3.5mm 1/8" Audio Cable Lead AUX-In Cord with MIC For Plantronics BackBeat PRO Wireless Noise Canceling Hi-Fi Headphones Length: 3FT High Quality Stereo Audio Cable/Lead Type: 3.5mm (1/8 inch) Male to Male Aux Audio Cable Connection Type: TRS (Stereo, with MIC) Connectors: mini 3.5mm 3-din connector male to 3.5mm male