Duronic Hybrid Radio - Wind-Up, Solar & Rechargeable AM/FM Radio with USB charger cable - Perfect for Walking, Hiking, Camping, Home, Garden, Holiday + 2 Years Warranty The Duronic Hybrid is a highly portable and stylish wind up and solar powered AM/FM radio that will go just about anywhere, battery-free. Winding arm to create and store energy, Solar panel at the top of the radio, for charging or playing simultaneously, plug socket for earphones, USB charging cable included, Charging light indicator turns blue to show battery being charged by either solar or wind-up. Fully charged, the radio will last upto a day, 1 minute of winding provides 20 minutes of play time. A fully charged radio via USD plays upto 7 hours 254g radio. Light and small to make it highly portable