<p> <b>Description:</b><br> This is a special and multi-functional Radio which offers different methods to power up, including the built-in rechargeable lithium battery that can be charged by a mini USB input, built-in dynamo hand crank generator, and a solar panel, which provides power for the radio even when no battery is installed. It's not only an ideal choice of a portable receiver but also an indispensable tool for emergency, such as traveling, camping, backpacking and other outdoor activities.<br> <br> <b>Features:</b><br> Built-in 2500mAh rechargeable lithium battery, after fully charged, it can continuously play music for 10 - 12 hours, or listen to radio for 15 - 20 hours.Portable and light, easy and convenient to carry.<br> <br> <b>Specifications: </b><br> Frequency FM 87.5 - 108 MHz AM 520 - 1710 KHz Power Supply Hand-Crank Generator Solar Power USB DC 5V Built-in Rechargeable Lithium Battery Working Time MP3 10-12h (Actually depends on playing volume.) Radio 15-20h (Actually depends on playing volume.) Flashlight 30-40h Output Voltage 5V Battery Capacity 2500mAh Support Memory Card Micro SD Card (NOT Included.) Color Black Size Approx. 151 * 85 * 45mm Weight 353g <br> <br> <b>Package List:</b><br> 1 * AM/ FM Radio<br> 1 * USB Charging Cable<br> 1 * User Manual </p>