★【WIDE USE】Wireless transmitters and receivers can be used for electro acoustic instruments such as guitars, bass, violins, etc. You are afforded the freedom to roam the stage for a truly dynamic performance. ★【ADVANCED AUDIO TECHNOLOGY】 UHF original sound transmission, low latency, no signal loss, and low noise, the effective transmission range is up to 50 meters. That is extremely reliable for any musicians. ★【MULTI-DEVICE SUPPORTED】Supports 4 sets of devices working at same time, one-to-one, and you can hear your guitar tone in great detail with only 4ms of latency with the full 20Hz-20kHz frequency response. ★【RECHARGEABLE】Package includes a USB cable, transmitters and receivers can be recharged at the same time. Built-in 3.7V 600mAh rechargeable lithium battery, working time is up to 6 hours.