JOYO JW-03 is a wireless system that will work with most electro-acoustic instruments and amps. It boasts a delay time of fewer than 5 milliseconds giving you a seamless and lossless signal. It has a built-in rechargeable Lithium Battery that can be used for approximately 8 hours on a full charge.
It uses 12 different channels on 4 channel banks. This allows the unit to utilize its anti-interference method via frequency hopping. The transmitter and receiver feature a transmission distance of more than 20 meters