High-Quality D-Shape Ear Boom Microphone for excellent transmitted audio & communication. The Microphone tube can be bend at one’s own choice which allow for the ideal fit & maximum comfort. Combine JCK EM20 Ear Boom Microphone with JCK PT23 Push-To-Talk which features rubber sealed housing for heavy-duty use in wet environments and making holding more comfortable. Also, it has 2.5mm jack for an additional finger Push-To-Talk.