XVive U3D Dual Wireless for PA/DJ, Digital Wireless PA/DJ and Microphone Transceiver System Set, Set with 2 transmitters and 2 receivers, For use with mixers/active boxes and dynamic microphones, Stereo / dual mono / 1 transmitter / 2 receiver operation allows use in a variety of applications, Works without battery or mains power, Integrated rechargeable lithium battery, Range up to 27 m (without obstacles), Frequency bandwidth 20 - 20,000 Hz, Latency < 5 ms, 6 Switchable channels, 24 Bit / 48 kHz A/D converter, 2.4 GHz ISM worldwide usable frequency band, 110 dB dynamic bandwidth, Signal to noise ratio: 110 dB, Up to 5 hours battery life per charge, Rugged ABS housing, ON button on transmitter, Power switch on receiver, Mic/Line button on transmitter: this allows the transmitter to be used for transmitting line signals for DJ and PA applications and for transmitting microphone signals, Channel select button, Micro B charging cable, Micro B USB charging port, Weight per unit: approx. 95 g, Colour: Black, Includes USB type A to Y-USB Micro B charging cable@+*Note:* Register your product at www.w-distribution.de/Warranty and extend the warranty to 4 years.