[1] 2.4GHz Wireless Guitar System: Less than 12ms latency, 120ft effective transmission range; no lag or no signal loss; high-resolution and stable transmission signal,brings you higher fidelity audiover and stable signal. [2] 4 Channels Use Simultaneously: This wireless transmitter receiver supports simultaneous broadcasts on 4 channels. [3] 225 Rotable Design: You can adjust the position to the you like, making the device compatible with most types of guitars. [4] Compact andPortable: Pocket size and very convenient for carry out. Come with 3.5mm and 6.35mm audio plug, suitable for most of instrument,such as electric guitar,, keyboard,electric violin,electric drum. Specification: 1 to 1 Color: Black Material: ABS Package Contents: 1 set * 2.4Ghz Wireless Guitar System 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.