Features:UHF Wireless Transmitter for Guitar Instrument: using UHF high frequency noise reduction wireless technology, the transmission can reach 50 meters, the signal is stable, and the performance is more wonderful.Transmitter LED Screen Signal Display: can clearly and intuitively see the frequency, volume, and other prompt functions.90-degree Rotation Audio Plug: the 6.35mm plug of transmitter and receiver can rotate at any 90 degrees, which makes it convenient to insert the instrument audio hole and use more flexibly.Endurance: built in rechargeable polymer lithium battery, equipped with a line, the receiver and transmitter can be charged at the same time with a or 5V head.6.35mm Standard Audio Plug: after the frequency matching between transmitter and receiver is successful, insert the transmitter into electric guitar, electric bass, electronic piano and other plug-in instruments, and insert the receiver into the amplifier equipment such as the speaker, then it is ready to use.Specifications:Material: ABSTransmission Mode: UHFAudio Output: Mix outputPairing: AutomaticFrequency Range: 530~690MHz Consumption: 110mA Supply: Built-in 3.7V 400mAh li-polymer batteryItem Size: 125 * 31 * 22mm / 4.92 * 1.22 * 0.87inItem Weight: 79g / 2.80ozPackage Weight: 180g / 6.34ozPackage Size: 20.2 * 11 * 3.2cm / 7.95 * 4.33 * 1.26inPacking List:1 * Transmitter1 * Receiver1 * USB Cable