With strong anti-inference ability, the sound reproduced is without any distortion and clear, reducing background noise.30-50m large mission distance, giving you more movement freedom, enjoy playing everywhere.6.35mm plug, plug and play, just connect the mitter to the guitar and the receiver to the sound output device, and then long press the start button, they will be paired immediately.With the electricity indicator light, you can easily know the current power information and charge in time, and the battery is of large capacity, no worry of low eccentricity any more.Both mitter and receiver are rotatable, more convenient for you to use. They can support 99 sets to use at the same time, perfectly satisfying your needs.Comes with USB cable for charging, can charge both mitter and receiver at the same time, convenient and time-saving.Brand: SWIFFModel: WS-70Channel Quantity: 100 channelDistortion: Less than 0.05%Signal-to-Noise Ratio: Greater than 85dBLatency: Less than 2msSystem Frequency Response: 20~20KHzReception Sensitivity: Less than 110dbm@20dbsinad mission Distance: 30~50mFull Working Times: 5~6 hours (Circumstantial)Colour:blackMaterial:plastic Package Contents:1 x Guitar mitter1 x Guitar Receiver Only the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.