Features 1、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. 2、Transmitter LED Screen Signal Display: Can clearly and intuitively see the frequency, volume, power and other prompt functions. 3、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. 4、Endurance: built in rechargeable polymer li battery, equipped with a charging line, the receiver and transmitter can be charged at the same time with a power bank or 5V charging head. 5、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. Specification Item Type: Wireless Transmitter and Receiver Material: ABS Transmission Mode: UHF Audio Output: Mix output Pairing: Automatic Frequency Range: 550~950MHz Power Consumption: <110mA Power Supply: Built in 3.7V 750mAh li polymer battery Item Size: 125 x 31 x 22mm / 4.92 x 1.22 x 0.87in Item Weight: 79g / 2.80oz Package List 1 x Transmitter 1 x Receiver 1 x USB Cable