Price: $3.75 Free Shipping Overview and Specifications: Buy Now Features: Two-pin standard 2.5mm and 3.5mm stereo. Clip design, stable and comfortable to carry. built-in microphone, crystal clear sound. Widely used in coffee shop, hotels, construction companies, security services, etc. Buy Now Leave a Comment Cancel reply Name Email MessageSave my name, email, and website in this browser for the next time I comment. Notify me of follow-up comments by email. Notify me of new posts by email.