Feature: Compatible Model -03T, -06T -135T, -135E, MKIII -138T, Features 8 pin round Mic plug Type Handheld Speaker Mic Microphone Headset Microphone Form Factor Headset To Fit Handheld Speaker Mic Microphone Headset Type: Speaker mic cable Model: For -57, -53 Frequency Band(s): VHF/UHF Model 8 Pin -53/57 Compatible Brand For Connector(s) 8 pin round Mic plug Connectivity Cable 6.5ft 8 pin Mic Microphone extension cable for radio compatible Mic Microphone -57, -53 work with radio: -03T, -06T -135T, -135E, MKIII -138T, -138E -235T, -235E, MKIII -425T, -425E, MKIII -635T, -635E ohter radio use 8 pin round Mic plug if your radio model not listed above, see my other item or email us. Connector: round 8 pin Cord Length: 6.5ft when extend : PU colour: Black Package Contents: 1 x Microphone Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.