The Line 6 Relay G10TII wireless transmitter is compatible with the Relay G10 and Relay G10S instrument wireless systems and the POD Go Wireless amp and effects processor—as well as Line 6 Spider V 60, 120, 240, and 240HC amplifiers (both original and MkII versions) and Yamaha THR-II Wireless amplifiers. Simply plug the G10TII into your instrument, and play—it’s that easy. The G10TII transmitter has a rechargeable internal battery that provides up to seven hours of playing time. To recharge the battery, plug the transmitter into a G10 or G10S guitar wireless receiver or the input of one of the above amps.