ZEALOT S89 250W High-Power Wireless Speaker, Outdoor Portable, With Waterproof And Five Speakers, Built-In 48000mAh Battery, With RGB Color Lights, Compatible With SD Card/USB Drive/AUX/Supports Two Speakers In Series, Hands-Free Calling, Supports Mobile Phones/Tablets/TVs/Computers, Suitable For Outdoor Large-Scale Dance/Family Gatherings/Beach Parties