Consumer Alert: Most users do not need a license to operate this wireless microphone system. Nevertheless, operating this microphone system without a license is subject to certain restrictions: the system may not cause harmful interference; it must operate at a low power level (not in excess of 50 milliwatts); and it has no protection from interference received from any other device.
Purchasers should also be aware that the FCC is currently evaluating use of wireless microphone systems, and these rules are subject to change. For more information, call the FCC at 1-888- CALL-FCC (TTY: 1-888-TELL-FCC) or visit the FCC's wireless microphone website at fcc.gov/cgb/wirelessmicrophones.
Noise Cancelling Mic: Superior Noise Canceling Microphone pick up your voice clearly while in the noise environment, The mic is also adjustable to pick up your voices loud and clear,especially designed for Truck driver,call center, Skype chat.
Long talking time & Compatibility: Offer up to 27 Hours continue talking time,and 800 hours standby time to make sure you can use more than 10 days without charging.
comfortable wearing: Comfortable protein earmuffs allow you to wear for hours at time without getting a headache or sweaty ears.