Features: IP67 Waterproof / Shock Resistant Big sound & long playtime packed into a slim, rugged, and portable size Loud 15W speaker with large bass enhancing passive woofer 15+ hours of playtime Eco Talk button for easy activation of Siri and OK Google voice assistant EcoConnect compatible - pair two units together for stereo sound Bluetooth 4.2 streams audio wirelessly from up to 100 feet away via your Smartphone, tablet or any Bluetooth enabled device. Includes carry lanyard and carabiner. Micro USB Charging input jack 3.5mm Aux-in port for wired connection Power Powered by Rechargeable Lithium Battery Battery size: 2600mAh, 3.7V What's in the box x 1 Bluetooth Speaker x 1 USB Charging Cable x 1 USB 2A Wall Adapter x 1 Carabiner (small)