All-in-One Portable 40-Watt PA System with Bluetooth Connectivity, Microphone,  Battery Operation and Transport Handle and Roller Wheels Built in.

Use the extremely lightweight, yet powerful EUROPORT MPA100BT PA system to stream songs from your Bluetooth-enabled iOS device at the next company picnic, or to get your message across on the playing field. With its 100-Watt amplifier and premium 2-way speaker system, the MPA100BT provides superb sound for up to 300 people – and the rechargeable battery lasts up to 20 hours. We've even included one of our high-performance ULM300USB digital wireless microphones for a supremely easy-to-use wireless, go-anywhere PA system right out of the box!

Behringer 200-Watt Portable Battery Powered PA System Speaker - All-in-One Speaker with Wireless Microphone and Bluetooth - Remote Control via Smart Phone.

The EUROPORT PPA200 packs amazing sound quality into a compact, portable briefcase-style 200-Watt PA system that is incredibly fast and easy to set up. Whether you're using it for a corporate event, seminar or are a working musician, you'll have inputs for 2 microphones, your mp3 player, or up to 5 musical instruments.

Weltron Portable Speaker with Wireless Mic, Bluetooth, 10" woofer Powerful 180 Watts
Has built in wheels for easy transport, very good sounding speaker!  - WAS1280AP
This speaker works from 120v A/C plug (not battery powered) 

The EUROPORT PPA500BT packs amazing power and sound quality into a compact, portable suitcase-style PA system – that’s fast and easy to set up. The PPA500BT’s integrated 6-channel mixer has enough inputs for 2 microphones, 2 musical instruments, your favorite MP3 player and more – making it ideal for parties, schools, corporate and educational presentations, working musicians and even weddings. Built-in Bluetooth connectivity allows you to stream music from your smart-phone, tablet or other Bluetooth-equipped device