Powerful 40W Output Immersive sound with deep bass and dual drivers for party-level performance. 4400mAh Rechargeable Battery Delivers up to 6 hours of continuous playtime and doubles as a power bank. Multi-Input Connectivity Supports Bluetooth v5.3, AUX, TF card, and USB drive for versatile playback options. TWS Functionality Connect two S865 speakers wirelessly for a full stereo sound experience. IPX5 Water Resistant + RGB Lights Protected against splashes and enhanced with dynamic lighting effects.