This set includes one STX1000M digital wireless master beltpack and three STX1000 remote beltpacks. It also comes with four dual - ear Eartec headsets having 4 - pin connectors. A correct power supply is included, ensuring smooth operation.

Using this Eartec set is easy. First, connect the power supply to the master beltpack. Then, pair the remote beltpacks with the master. Put on the dual - ear headsets and enjoy clear audio. When using, keep the beltpacks dry and away from heat sources. For maintenance, regularly clean the headsets with a soft cloth. Store the set in a cool, dry place when not in use. This will help keep your Eartec equipment in good condition for a long time.