About this item

• 1 Pin 2.5mm; compatible with Retevis RB48 RB48 Plus RB48A RB48 Pro RT49 RT49B RT49P 2 way radio; don't compatible with DEWALT, Gaswei G2pro walkie-talkie
• Acoustic tube walkie talkie earpiece; durable sound tube and soft earplugs make it more comfortable and snug to wear; make your calls more private
• In-ear earplugs; it is very soft and comfortable to carry
• 360 degree back clip; you can hold the mic where you want
• Includes alternative earplugs; spare earplugs can be used when your earplugs get dirty or fall out