Zeadio ZP-AR098 G Shape Earpiece Headset PTT for 1 PIN HYT Hytera Radio TC1688 TC310 TC-1688 TC-310 TC-320 etc. Brand: Zeadio. Model: ZP-AR098. Excellent for use in police, military, nightclubs, bars, paintball, security,restaurants, hotels, bouncer, warehouses, and noisy environments. Durable and thick cable, designed for tough environment This headset is for the HYT Hytera Motorola radios and many more that require standard 1 Pin For customer service, manufacturer guides or warranty, please feel free to contact seller Zeadio or visit manufacturer website: http://www.Zeadio.com