Rugged ABS plastic and fabric 20 watt Bluetooth® speaker (2 x 10 watt) with solar panel and 5,000 mAh capacity power bank Recharge via micro USB cable or monocrystalline silicon 5V/220mA solar panel IPX7 Certified rating Built-in mic for hands-free calls Approx 20 hours of playtime Approx 3 hours USB charging time; 12 hours solar charging time Input: DC 5V/2A USB Output: 5V/1A Indicator lights – White for power on; Blue for Bluetooth® connection; Green for solar charging; Red for micro USB charging Features a 27 LED light (output: 118 lumens) back panel with 4 modes: High, Low, Strobe and S.O.S. Operating range: up to 33ft/10m Connect via Bluetooth® 4.2, AUX line-in cable or TF card slot Includes Micro USB charging cable, 3.5 mm audio cable, loop lanyard and manual