Our Rukus Solar Bluetooth Sound System features a built-in high-efficiency solar panel that so you can listen to your favorite tunes all day long without worrying about battery life. Bluetooth technology lets you to stream music from your iPhone, iPad, Android, or computer. This self-powered sound system is perfect for picnics, tailgating, or poolside lounging. Bluetooth with AVRCP/A2DP profile support Built-in high efficiency monocrystal solar panel E-Ink® display for maximum readability and low power consumption Stereo sound with 2 full range speaker drivers Internal rechargeable Li-ion battery USB port for mobile device charging Mobile device storage net Aux-in jack Includes AC adapter