Bluetooth Wireless Technology - allows you to stream all your favorite music content from Bluetooth-enabled devices in high-quality audio IPX5 Rated - water-resistant, sweat-proof, rainproof, and splash-proof Dual Charging - recharge the speaker with a built-in solar panel or connect it to a USB charge cable and compatible adapter High-quality sound with a clear, full sound that can fill a large outdoor area Rechargeable Battery built-in - Ensure the fun never has to stop by keeping the speaker at a full charge with the included charging cable Speaker Output: 10W Speaker Drivers: 5.25' Speaker Frequency: 80Hz-12KHz PMPO Output: 10W Power: DC 5V Battery Capacity: 5,200 mAh Bluetooth Version: v5.0 IP Rating: IPX5 In the Box: USB Charge Cable, AC Adapter, User Manual, Warranty Card