Ws-20 24G Wireless Rechargeable Electric Guitar Transmitter Receiver Set 30 Meters Transmission Range Black Color24G uncompressed wireless transmitting, ultra-short delay, and transmission range is about 30 meters.180 degree rotatable 1/4 inch plug, available for instruments with input jack in different positions.Supports 6 sets of devices working at same time, one-to-one. It is easy to use, plug and play.Product Name: Guitar Transmission SystemModel: WS-20Transmission Range: About 30M (No obstacle)Dynamic Range: 105db Supply: Built-in 37V 1100mA lithium batteryColour:blackMaterial:ABSPackage Contents:1 * receiver 1 * transmitter 1 * usb cableOnly the above package content, other products are not included.Note: Light 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.