Features 1、Compact and Portable: This wireless transmitter and receiver for electric guitar and wind instruments is designed to be small and lightweight, making it very convenient to carry. Whether you are going to a performance, rehearsal or just practicing at home, this device can be easily taken with you wherever you go. 2、UHF Transmission: With UHF transmission technology, the device provides high fidelity sound reproduction, stable signal, and strong anti interference ability. This ensures that your music is transmitted clearly and accurately without any quality loss or interruption. 3、Rotatable Plug and Adjustable Volume: The transmitter has a rotatable plug with an engineering angle design to meet the needs of most instruments. It also has an adjustable volume function, which makes it easy to control the volume according to your preference. 4、Long Battery Life: The device uses a built in li battery to provide long lasting performance. This means you can play for a long time without worrying about the battery running out of power, which is suitable for performances, rehearsals or long practice sessions. 5、Versatile and Easy to Use: With a 6.35mm and 3.5mm dual plug design, the device is suitable for a variety of instruments, including electric guitars, electric basses, wind instruments, electric drums, and sound systems. With a one touch power switch and frequency adjustment, it is also very simple to operate. In addition, it supports the simultaneous use of multiple devices and has 10 built in frequency points to ensure that the devices do not interfere with each other. Specification Item Type: Wireless Guitar System Mode: Digital frequency modulation Frequency Range: UHF 630-650MHz Preset Frequency: 10 (auto paring) Frequency Response: 75Hz~18kHz ± 3dB Maximum Frequency Offset: ± 50kHz (with level limit) T. H.D.: <1.0% at 1kHz S/N>: 98dB Working distance: 164 ft Frequency Stability: ± 0.005% (-10℃ -+50℃) Delay: >3ms Built in Li Battery: Transmitter 700mAh,Receiver 500mAh Use time: Transmitter for 5 hours, Receiver for 6 hours Product Size: 10.8 x 3 x 1.8cm/4.2 x 1.2 x 0.7inch Package Weight: 143g/5oz Package List 1 x Receiver 1 x Transmitter 1 x Charging Cable 2 x 6.35mm Adapter