RiverFi Portable Bluetooth Speaker + 2600mAh Battery Bank VoltNow RiverFi Battery Speaker Nylon travel pouch Micro USB charging cable User Guide Micro SD Card NOT included Optimized speaker for high fidelity sound Micro SD card slot to store hours of MP3&#039;s<br> (<span class="a-text-italic">Micro SD card not included</span>) Simplified Bluetooth pairing Bluetooth V2.1 + EDR Range: 33 feet / 10 meters Driver: 30mm 4 3W Freq. Response: 70Hz-20kHz Output Power: 2.5W In: 5V / 1A : Out: 5V / 2.1A Micro SD Card Supports: MP3 Rapid recharge (2.1A) your phone or tablet Play music non-stop for over 20 hours Fully charge most phones 1-2x Capacity: 2600mAh Li-ion Input: 5V / 1A (micro USB) Output: 5V / 2.1A 3.86 x 3.07 x 1.08 98mm x 78mm x 27.5mm VoltNow RiverFi Battery Speaker Nylon travel pouch Micro USB charging cable User Guide Micro SD Card NOT included