<ul> <li>Bluetooth 5.0 chip, stable and fast connection</li> <li>3 different sound effects to choose: pop/clear voice/strong bass sound effect</li> <li>HIFI surround bass, excellent sound experience</li> <li>Two loud speakers with passive bass diaphragm to ensure excellent music experience</li> <li>"DSP"sound effects system can simulate live conditions and enhance dynamic effects of sound making listeners feel like they are present</li> <li>Intelligent noise reduction, effectively shields background noise</li> <li>Built-in 6600mAh large capacity battery for long-lasting battery life</li> <li>IPX5 waterproof design, no fear of water damage</li> <li>3 Playing Mode: Bluetooth/TF card/AUX in</li> </ul> <p><strong>Technical Parameters:?</strong></p> <ul> <li> <p>Size: 220x95x72mm / 8.66''x3.74''x2.84''?</p> </li> <li> <p>Material: Dust-proof fabric+Rubber Shell?</p> </li> <li> <p>Bluetooth Version: V5.0?</p> </li> <li> <p>Frequency Response: 80hz-18khz?</p> </li> <li> <p>Output Power: 50W?</p> </li> <li> <p>Battery: 3.7V, 6600mAh?</p> </li> <li> <p>Playing Time: About 8-15 Hours (according to the volume)?</p> </li> <li> <p>Charging Time: About 3 Hours?</p> </li> <li> <p>Play Mode: bluetooth / TF Card /AUX in?</p> </li> </ul> <p><strong>Compatible with:</strong></p> <ul> <li> <p>Apple Samsung Huawei Xiaomi, etc. Bluetooth enabled devices</p> </li> </ul>