A PA System You Can Take Anyplace!Portable, powerful and versatile; the Rockville all-in-one PA system lets you take your music wherever you need to go. All In One PA System! So what does all-in-one really mean ? Speaker, Amplifier, 2 Channel Mixer, 5 Band Equalizer, Built in USB and SD Slots, Rechargeable Battery, 2 Wireless VHF Mics, Built In Bluetooth. This is true all in one with nothing else needed to purchase!With a high quality rechargeable battery, compact light-weight design, and integrated carrying handles and wheels, you can easily pick up and go with your Rockville portable all in one system.Rockville Portable PA System at a Glance:Our complete grab-and-go PA systemParty off the grid with onboard battery powerBluetooth equipped for wireless playback freedomIncludes RemoteAbility to link 2 of these speakers together wirelesslyYour complete grab-and-go PA systemWhen you're looking for a quick sound reinforcement solution, you don't want to be bogged down with a bunch of cables, stands, and extra PA gear. The Rockville portable system is the system you want to have on hand. This all-in-one PA has everything you really need to be heard. You can plug in your guitar or keyboard, and even your MP3 player or BT music source and be up and running instantly. What's more, you can stand-mount your speakers so they can really be heard even at a distance. Complete with two wireless microphones and the ability to sing along to your music or make speeches, this unit is a must have for any road warrior.Party off the grid with onboard battery power Want to go off the beaten path and rock out where there is no AC power? How about jazzing up your next party in the park? Armed with a built in battery, Rockville portable PA was built to hit the road. This highly efficient internal rechargeable power system avoids the bulk of traditional batteries, keeping the whole system extremely compact. Depending on volume levels with a full charge, the unit will run for up to eight hours, so you never have to worry about running out of juice in the middle of a song. And if eight hours aren’t enough you can easily add additional external 12V batteries and keep running and running and running all day and night!Bluetooth equipped for wireless playback freedom If you're listening to the sound of an iPhone or other Bluetooth-equipped MP3 music player, then why not go totally cordless? The Rockville portable system is loaded with Bluetooth playback capability and SD/USB inputs. Syncing up is a synch, and since you can still use the onboard mixer when you're playing music via Bluetooth, the Rockville portable system is great for karaoke parties.VHF Wireless Microphone SystemYour Rockville portable system includes two VHF long range wireless microphones set on two separate frequencies and with separate volume controls so they can be used in tandem. A microphone Echo Effects knob is built in as well and the 5-band system equalizer to help tailor your music system. If you are into sing-along or karaoke you will love that you can play music and sing along using the included wireless mics. If you connect this unit to your computer, you can play a karaoke track on youtube, and have the words streaming across the screen and sing along as if you are in a professional karaoke bar.So just imagine taking this on the road on a business gig to make an important speech, and taking the unit home and throwing an awesome karaoke sing along party with your friends and family. This unit does it all!