The Roger technology uses the latest digital standard and operates on the license-free 2.4 GHz band. The wireless Roger communication system includes a transmitter and features an advanced microphone, which is used by the speaker, and a virtually invisible receiver that is hidden in the listener’s comfortable, tiny earpiece. Roger systems are ideal for people working in broadcasting and show business, who rely on seamless communication with directors, producers, and sound technicians. They are utterly discreet, easy to use and install, and o er unrivalled intelligibility.

FEATURES

• Micro size Earpiece: 18 mm length – basically invisible
• Ear specific form factor
• Light weight: 1.3 g (incl. battery)
• Exceptional sound quality
• Max output level: 100 dB SPL
• Unlimited number of Earpieces can be connected in one network
• Easy handling and cleaning
• Battery Life: > 12 h (size 10 battery)
• Out-of-range beep

Here's some more helpful information with the Roger Earpiece User Guide.