Maximal Power 2-Pin Adjustable C-Shaped Earpiece with Rubber Earhook and Earbud for Kenwood 2 way Radios (Black) Amazon.com is the only authorized dealer selling MaximalPower brand products. Please make sure your item is ONLY sold and shipped by Amazon.com! All other marketplace vendors are selling counterfeit products that do not perform the same, and/or are not covered by our MaximalPower Warranty Connectivity technology : Wired