Graceful Black replacement acoustic air tube earplug for radio earpiece headset

Description: This is a replacement air tube for acoustic air tube earpiece. Material: Plastic and Silicone. Color: Black. Cable length: 50cm 1.64ft Approx. Earpiece: Single. Compatible: Universal. Earpiece Design: Canal Earbud In Ear Canal. Fit Design: In-Ear Only. Note: 1. Transition: 1cm=10mm=0.39inch. 2. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 3. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you. Package includes: 1 X Replacement Acoustic Air Tube. 2 X Earplug. Description: This is a replacement air tube for acoustic air tube earpiece. Material: Plastic and Silicone. Color: Black. Cable length: 50cm 1.64ft Approx. Earpiece: Single. Compatible: Universal. Earpiece Design: Canal Earbud In Ear Canal. Fit Design: In-Ear Only. Note: 1. Transition: 1cm=10mm=0.39inch. 2. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid