Main features:

• Excellent audio performance
• Optimized audio performance more fit to outdoor listening environments. The powerful speaker unit provides bright, long-range audio with an enhanced subwoofer. While indoor creates rich sound with deep, full bass
• Ultra long play time portable speaker
• It has a rechargeable 2000mAh battery provides for 10 hours playback time
• Waterproof sports speaker IP55
• Splash-proof, rainproof, dustproof, sand proof, with an IP55 certified waterproof rating, its rugged exterior, and impact-resistant frame make it ready for hiking, sporting, traveling and on the beach as well
• Universal compatibility, sync echo dot
• Universal compatibility enables not only sync with Android,iOS, Windows, cell phone, tablet, laptop, computer, and PC, but also with any other Bluetooth device which includes extra Bluetooth receiver dongle and eho dot .