K head 2 pin plug; compatible with Baofeng BF-888S Uv-5R; Retevis H-777 RT22 RT21 RT68 and more; not compatible with Midland and Motorola radios. The earplug can rotate 360°; fits right and left ears; clip can also be moved and rotated; very easy to adjust the position; this two way radio headset fits well with your work.
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