BOSS Guitar Wireless Automatically optimizes wireless up to 7 hours of continuous easy USB no cable tone WL-20L System connection, use, charging,

A wireless system that can be instantly by simply connecting it to a guitar, bass, or electronic instrument. Simply dock the transmitter to the receiver for about 10 seconds, and it will automatically establish the optimal wireless connection. BOSS's proprietary wireless technology delivers high-quality, stable connectivity with ultra-low latency of 2.3ms. It can be easily charged with a general-purpose USB adapter (5V/500mA or higher). The WL-T transmitter is sold separately as a spare.