NOTE: 1. Only 48V Phantom Power， XLR 3 Pin Audio Cable and USB cable are included 2. Phantom power provides a 48V voltage to the condenser microphone， but it does not enhance the microphone sound quality and improve the normal volume. Description: New shielding technology; USB power supply. Compatible with all kinds of microphone and music recording equipment. On/off power switch and indicator light design for ease of operation. The balance of input and output. Specification: The XLR Male to XLR Female Cable Length: 8 feet /2.4 meters USB Cable Length: 5 feet /1.5 meters Material: Aluminum Alloy + Copper + Plastic Package Contents: 1 x 48V USB Phantom Power 1 x XLR Male to XLR Female Audio Cable 1 x USB Power Supply Cable