1. Rechargeable, with built-in 18650 rechargeable battery.<br/>2. Support USB flash disk and TF card (not included).<br/>3. 21 Bands Radio receiver: FM/AM/SW 1-18 short bands, support campus broadcast (70-87MHz)<br/>4. Rated power: 3W<br/>5. Input power: DC 5V 500mA<br/>6. Size: 11*7*3.9cm<br/>7. Package include:<br/>- 1*Radio<br/>- 1*18650 rechargeable battery (installed inside the device)<br/>- 1* Charging cable