Features: Transform your wire microphones into a wireless microphones with this Dynamic Microphones Wireless System, featuring builts in battery for plugs and play convenience. Experience the stability in wireless transmission with UHF frequency ranges, ensuring clear sound even amidst multiple systems, thanks to its advanced interferences elimination technology. Suitable for musicians, speakers, and professional seekings freedom from cable, this system seamlessly adapts to mics and guitars for superior sound quality. Enhances any live performances, recording , or public speaking event with this systems compatibility with mixer, recorders, speakers, amplifiers, and PA systems, delivering up to 30meters of reliable wireless ranges. With impressive 8hour usage time after just a 3hour charge, this durability ABS constructed microphones accessory promises uninterrupted music excellences for all your gigs and presentations. Specifications: Component:ABS Receiver Size:Approx.96x28mm/3.77x1.1in Frequency Ranges:500Mhz-599Mhz Channel Distance:0.5-2.5Mhz Setting:Dopsk Frequency Stability:+3ppm Frequency Response:40hz-20khz Receiving Distance:30m Voltages:3.7v, 800ma Battery Charging Time:3Hours Usage Time:8Hours Package Includes: Package A 1pc Receiver 1pc Transmitter 1pc 6.35mm Adapter Package B 1pc Receiver 2pcs Transmitter 1pc 6.35mm Adapter note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.