Vaddio's EasyTALK Wireless USB Mic System is a professional quality wireless microphone system that was designed to plug directly into your PC, making set up and operation easy! Featuring a high-quality unidirectional lavalier microphone and belt pack transmitter with up to 10 hours of battery life you are surely not to be disappointed by this system. This system includes (1) pair rack mount ears, (1) EasyTalk wireless receiver, (1) EasyTalk lavalier microphone with a windscreen and clothing clip. (1) 12 VDC power supply for receiver, (1) EasyTalk rechargeable belt pack, (1) A to micro-B USB charger cable and (1) 6' USB A to B male cable. HD Wireless link with frequency hopping (AFH) for interference-free operation; Rechargeable belt pack unit for extended hours of operations using lithium-ion battery pack; Supports mixing modes for USB conferencing or as standard wireless mic; Unidirectional lapel microphone; Radio Link operates up to 100 feet; GPIO Control Status .