UHF Guitar Wireless System Transmitter+Receiver Built In Rechargeable Battery Product Features: Advanced Wireless Technology: 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. Compact Design: The wireless guitar transmitter & receiver are made out of durable ABS plastic that 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. Clear Signal 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. Rechargeable Long Working Time: Built-in rechargeable lithium battery, working time of the guitar transmitter and receiver is up to 6 hours, and with a USB cable for convenient recharging, which ensures good performance for your every show. Product Specifications: Type: Guitar Wireless System Transmitter Receiver Audio Response Range: 20Hz-20kHz Transmission Range: Max.50m (accessible); 30m (through wall) Transmission Delay: Less than 4ms Power: Built-in 3.7V 600mah rechargeable lithium battery Charging Time: 2 hours Continuous Use Time: 6 hours Charging Port: Micro USB Package Included: 1 x Wireless Guitar Transmitter 1 x Wireless Guitar Receiver 1 x USB Cable 1 x User Manual