iRonsnow IS-089 Dynamo Emergency Solar Hand Crank Self Powered FM Radio, [2000mAh] Power Bank & LED Flashlight, Support TF card MP3-Blue Emergency power bank & LED flashlight when outside or accident typhoon outage. Capacity improved to 2000mAh, 1W LED Flashlight for sunvival.It will play for approximately 20 minutes at normal volume per 1-minute hank, and can be rewound at any time for as much playtime as you want. Multiple ways to power/charge the radio: hand crank to wind up internal alternator, expose to sunlight to charge by solar panel, DC recharge by connecting the mini USB cable to computer. This is a self power emergency radio that you and your family can depend on, anytime anywhere, any weather. Support TF card, enjoy music. TF card is not included. This High quality and rubberized housing radio has waterproof housing so it is ideal for hiking, camping, stored in a car trunk, or any emergency kit.