The VHF-3300 from VocoPro is a 2 channel VHF wireless microphone system with two rechargeable uni-directional handheld mics. When the receiver is plugged into a sound system, the two microphones will transmit audio to the receiver without the need for microphone cables, giving the presenter/performer a lot more freedom of movement. The microphones mount into the top of the receiver to recharge their batteries, and for storage. The VHF-3300 is a really handy system that's very easy to use. With Two pieces black Auray WHF Series Foam Windscreens are designed to reduce unwanted broadband wind noise and vocal pops with minimal high frequency loss. Plus High-Energy Batteries.