Features: Supports using multiple wireless system at the same timing without interfering with each others, and effective transmission range is up to 50m. 220 rotatable 6.35mm plug, suitable for different musical instruments and device, super flexible to use. And it with strong anti-interface ability and stable signal transmission, less than 5ms delay. Digital wireless system (Transmitter+Receiver) for musical instruments like electric guitar, bass, etc. With various effects of reverberation, echoes and choruses, and can also realize internal recording to meet your needs in sound recording and short video shooting will not be-disturbed by noise. Specifications: Material: ABS Color: Black Package Weight: approx.255g Size: approx.13.6x4.2x2.6cm/5.35x1.65x1.02in (More Size Detail, Please See Photo.) Note: Please allow 1-2cm error due to manual measurement. Please make sure you do not mind before you bid. Due to the differences between different monitors, the picture may not reflect the actual color of the item. Thanks! Package includes: 1 Set of Wireless Guitar Transmitter Receiver