Line 6 Relay G10 is one of the world's easiest guitar wireless systems. Just plug in your instrument and it works automatically - no additional setup required. You'll hear your tone in amazing detail thanks to pure 24-bit Relay digital wireless sound quality - the same technology that top pros use on stage. The built-in rechargeable battery provides up to 8 hours of playing time, and sleep mode extends battery life to as much as 200 hours. When it's time to recharge, simply plug the transmitter into the receiver. Relay G10 features a simple and intuitive design that makes going wireless as easy as using a cable.