How much does this cost to the nearest dollar?

Heavy-Duty Remote Speaker Microphone Shoulder Mic Compatible with
Amasu is a two way radio accessories company with many years of professional production experience! We mainly focus on battery charger belt clip antenna earpiece microphone programming cable & other accessories. Compatible with following models XPR Series Series XiR P8200, XiR P8208, XiR P8260, XiR P8268 DP Series Series Series Package contents： 1PCS shoulder mic Simple and Convenient return process： 30 days no reason to return, one year limited warranty. Compatible with etc. Push-to-talk switch, Strong Reinforced PU cable and Durable Coil Cord and Built-in 3.5mm jack available to attach earpiece/headset for discreet communications. Conveniently clips to your shirt pocket or lapel and enables

Price is $21.00

Price: $20.99