Wireless transmitter and receiver set for electroacoustic musical instruments such as guitar, bass, and similar devices. UHF 730MHz signal transmission delivers clear, natural sound with strong interference resistance and ultra-low latency. Supports up to four sets operating simultaneously in the same environment with one-to-one pairing. Maximum transmission range of up to 50 meters in open space and up to 30 meters through walls. Built-in 3.7V 600mAh rechargeable lithium battery provides extended usage time. Includes USB cable for convenient charging via Micro-USB port. Plug-and-play design ensures easy setup and operation. Compact and lightweight design for portability. Audio frequency response range: 20Hz20kHz. Constructed from durable ABS material.