Hisonic HS321 Portable PA System with handheld and Body Pack Wireless Microphone, True 50 Watts for a large group, Black Built-in rechargeable & replaceable high-capacity battery, ideal for outdoor activities Built-in VHF wireless microphone system with a transmission range of up to 300 feet Powerful 50 watts speaker delivers loud and clear sound even in a noisy environment Excellent portability with compact size & light weight One year manufacturer's warranty