• 
• High-quality tone, all digital signal, 2.4GHz, UHF frequency
• Transmission distance of 20-30 meters indoor; 80-100 meters outdoor. Unlike analog transmitters, our digital system is not affected by outside signals or phones.
• This unit works well even when 4 pairs are operating simultaneously within one meter. They do not have interference by each other, wireless routers, bluetooth devices, etc.
•   Dynamic Range: >87dB
• Supports "One to Many" (one transmitter to one or many amplifiers)
• Low-latency
• Battery: Lithium battery (included; lasts for approximately 2 hours after a charge of 2 hours)
• Power adapter and USB cable included.