YASHANG Wireless guitar system features digital wireless technology that delivers great audio quality, simple setup, and is extremely reliable for any gigging musicians. UHF original sound transmission, anti-interference and ultra-short delay, giving you the best music sound. Frequency Feature: The wireless guitar system delivers a full 20Hz-20kHz frequency response, so you'll hear your guitar tone in great detail with only 4ms of latency. And supports 4 sets of devices working at same time, one-to-one; and max. transmission range is up to 50 meters. Compact Design: The wireless guitar transmitter and receiver are made out of durable ABS plasticthat can withstand the rigors of touring and the harshest of climates. This wireless guitar system is a perfect for any pedal board thanks to its simplistic, and compact design. Working Time: Built-in rechargeable lithium battery, working time of the guitar transmitter and receiver is up to 4 hours, and with a USB cable for convenient recharging, which ensures good performance for your every show. Colour: Black Packing list: 2pcs