800MHz-900MHz UHF audio wireless transmitter and receiver system can reach 50m -free transmission distance, it can rid of the of wired and make music more free. standard 6.35mm audio interface, gold plating process can continuous, stable and high fidelity transmission; plug and play, no pairing required.With ultra low delay, original sound transmission, strong anti-interference; supports 4 groups of devices to use at the same time without interfering with each other.The wireless can be used for electric guitar, , wind instrument, violin, piano, drum and more electric musical instruments.282-degree arbitrary rotation audio interface can be folded to the instrument, making it adaptive to different kinds of instrument and flexible to use. Built-in 650mAh polymer lithium battery, with strong endurance to the needs of performance, easy to be recharged via type-C double head charging cable.Type:Guitar Transmitter ReceiverTransmission Sound : 48K/ 24bit Digital TransmissionTransmission Frequency Band: UHF (800MHz-900MHz)Transmission Range: 50m -free; 30m through the wallTransmission Delay:Less than 5msSignal to Noise (): -98dBDistortion Degree: Less than 0.02%Dynamic Range: 105dBFrequency Response: 20-20KHz, +1dB/-3dBAudio Head Rotation : 282-degreeChannel: 4Built-in Battery: 650mAh Polymer Lithium BatteryItem Size: 13.4 x 3.9 x 3.2cm / 5.28 x 1.54 x 1.26inchcolor:RedMaterial:ABS+MetalPackage Contents:1 x Guitar Transmitter1 x Guitar ReceiverOnly the above package content, other are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.