How much does this cost to the nearest dollar?

Eartec UL312 UltraLITE Full Duplex Wireless Intercom 2 Way Communication System for 3 Users - 1 ULSM Single-Ear Master Headset and 2-Pack of ULDR Dual Ear Remote Headsets
Single Headset UIIraLITE Single headsets eclipse all other full duplex wireless for performance and convenience because the transceiver is built right inside the ear cup. This self-contained, All in One design eliminates headset wires and even belt worn radios. They provide simultaneous talk, two way voice communication for users that need to work with their hands yet also require one ear free to listen to what is going on around them. Double Headset UIIraLITE Double headsets allow users to remain in constant full duplex voice contact even while on the move. What

Price is $600.00

Price: $600