2 pin soft rubber D-ring earpiece earphone headset with push-to-talk (PTT) function and built-in inline microphone for two-way radio communication. Designed with a large speaker unit, this hands-free earpiece clips easily onto your shirt for discreet and convenient use with radio devices. Ideal for security, retail, hospitality, and other professional environments.The earbud fits securely in the ear, ensuring clear audio and private conversations. Features a built-in microphone and push-to-talk button for seamless communication. Suitable for use in police, nightclubs, bars, security operations, restaurants, hotels, bouncers, warehouses, and noisy environments.Compatible with two-way radios and walkie talkies that require a 2-pin plug (approximately 5/16 inch, standard 2-prong). Fits models from various series including CLS, XTN, P100, DTR, P, PRO, XTN XU, XTN AX, Spirit, Spirit MU, Spirit MV, SP, CT, and others. Specific compatible models include: CLS446, CLS1110, CLS1410, CLS1413, CLS1450, CLS1450C, CLS1450CB, CLS1453CH, XTN446, XTN500, XTN600, XTNi, XTNiD, P140, P145, P160, P165, P180, P185, CP88, CP040, CP100, CP110, CP125, CP140, CP150, CP160, CP180, CP200, CP250, CP300, DTR2430, DTR2450, DTR410, DTR450, DTR510, DTR550, DTR610, DTR650, P10, P50, P50+, P040, P080, P100, P110, P200, P1225, P1225LS, PR400, PRO1150, PRO2150, PRO3150, XV1100, XV1400, XV2100, XV2600, XV4100, XU1100, XU2100, XU2600, XU4100, AXV5100, AXU4100, SV10, SV11, SV11D, SV21, SV12, SV22, SV22C, SU210, SU22, SU22C, SU220, Spirit, Spirit Pro, Spirit Pro+, Spirit HP10, MU11, MU11C, MU11CV, MU12, MU12C, MU12CV, MU21C, MU21CV, MU22CVS, MU24CV, MU24CVS, MU24CVST, MV11, MV11C, MV11CV, MV12, MV12CV, MV21C, MV21CV, MV22, MV22CV, MV24CVS, GP63, GP68, GP88, GP88S, GP280, GP300, GP308, GP350, GP600, GP2000, GP2100, GP3188, SP10, SP21, SP50, SP50 Plus, CT150, CT250, CT450, CT450LS, RDV5100, RDV2020, RDV2080D, RDU2020, RDU2080D, RDU4100, RDU4160D, ECP100, EP450, AP10, AP50, AP73, PMR446, MagOne BPR40, AU1200, AV1200.Color: Black Material: Plastic Package includes: 10 x 2-pin earpiece Note: The package includes only the items listed. Other accessories are not included. Due to lighting and display differences, the actual color may vary slightly from the image. Measurement may vary by 1-3 cm.