Single Wire With Lapel Microphone And Soft Hook Earpiece. Pliable Soft Hook Earpiece That Conforms To Any Ear. Extremely Comfortable. Reversible. Can Be Worn On Either Ear. Nothing Inserts Into The Ear, Which Could Block Ambient Sounds. Low Profile Lapel Microphone With Ptt Button On Side For Ease Of Use. Sturdy Metal Clothing Clip Attaches To Shirt Or Jacket. Kevlar Reinforced Cable Guarantees Reliability. Motorola Dp3400, Dp3401, Dp3600, Dp3601, Xpr 6500, Xpr 6550, Xpr 6300, Xpr 6350, Xpr 4500 /xpr 4550