Usually 3-5 Days. The WMS40/DIV system is the TRUE DIVERSITY version of the best selling WMS40 "Guitar Bug" wireless series. System includes receiver (with metal chassis and cool "hi tech" faceplate) and the GB40 Guitar Bug Transmitter. The transmitter can be recharged (using rechargeable batteries) with the optional CU-40 charger, or you can use 1 standard AAA battery. One model fits ALL STYLES OF GUITARS.