3 Ways to Supply PowerUSB charging is convenient for your daily use, retro radio bluetooth is built-in 1200mAH rechargeable battery is perfect choice when you have a backyard BBQ.. 2*D battery (not included) is essential in case of power outages. Equipped with a large solar panel(Size: 4.1 x 2.3 x 0.1in) with high charging efficiency, bluetooth radio am fm will collect power sustainably while youre doing ourdoor activities. Easy to CarryThis am fm radio portable is compact and not bulky at all (Size: 6.7 x 3.7 x 4.2in Weight: 1.2lb), boosted with a handy handle, convenient for you to carry anywhere you want. You can enjoy endless wonderful fun from this small radio fm am anytime, from a relaxing fishing afternoon to an exciting camping night. Excellent ReceptionCovers FM (88-108 MHz) AM(530-1710KHz) and Short Wave (5.9-18.0MHz). Configured with a long telescopic antenna(13.7in) and a DSP chip, this solar radio have more excellent ability to pick up more stations, whether y