Acoustic tube earpiece 30&';&'; cord and 3.5mm connector Compatible with Motorola radios with a single pin connector Acoustic Tube Earpiece with 30&';&'; cord and 3.5mm connector for any radio or remote microphone with a 3.5 mm earphone jack. Compatible with Motorola radios with a single pin connector.table.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }