ZEALOT ZEALOT S87 80W High-Power Wireless Speaker, Outdoor Portable, With 4 Speakers, Built-In 16000mAh Battery, RGB Color Lights, Compatible With SD Card/USB/AUX, Two In Series Can Double The Sound, Hands-Free Calling, Supports Mobile Phones/Tablets/TVs/Computers, Suitable For Outdoor Large-Scale Dance/Family Gatherings/Beach Parties