The -03 Guitar Audio Wireless Transmission System is a reliable and compact solution for transmitting clear and high-quality audio from your guitar or instrument. The transmitter and receiver provide a stable connection and can be easily set up for seamless performance. With its design, this system is convenient for musicians. Enjoy the freedom of wireless audio transmission with the -03. The product is small in size, light in weight, and very convenient to carry around. Feature: Compact, Reliable Type: Wireless Audio Transmission Color: Black Material: ABS + Copper + Electronic Parts Size: 7.5 x 3.5 x 2.5 cm Package Contents: 1 x Transmitter 1 x Receiver 1 x Charging Cable 1 x English Manual Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The measurement allowed error is +/- 1-3 cm.