Boss WL-20 Wireless System Plug-and-play wireless systems for electric guitar & bass wth passive Hi-Z pickups no complicated setup required-simply dock the transmitter and receiver together for about 10 seconds to set the optimum wireless connection newly developed BOSS technology delivers premium audio performance with rock-solid stability ultra-low latency (2.3 ms) and 50-foot/15-meter range (line-of-sight propagation) built-in rechargeable batteries provide up to 12 hours of continuous playing time simple charging with a standard USB adaptor (5 V/500 mA or greater) cable tone simulation reproduces the natural capacitive effect of a 10-foot/3-meter guitar cable dimensions (W x D x H): 87 x 25 x 38 mm (3 44 x 1 x 1 5) weight: 60 g (0 13 lbs)