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-interfaces 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 disturb by noise. Specifications: Material: ABS, Metal Color: Black Package Weight: approx.174g Size: approx.8.6x3.2x2.7cm/3.38x1.25x1.06in (More Size Detail, Please See Photo.) Package Includes: 1 Set of Wireless Guitar Transmitter Receiver 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!