• This product eliminates the background noises and echoes.
• The best companion for outdoor communications with your ham friends.
• Comes with transparent acoustic elastic tube ear bud and remote button.
• M plug: 2.5mm and 3.5mm (diameter).
• Special with stretchable design， convenient to wear.
• Made of durable material.
• Compatible with most of interphones.

 
Package Details Weight: 66.34 g
Size: 13*12*2 cm
Package Includes 1 × Throat Vibration Speaker/Mic for Interphones