Disaster Preparedness: Disaster Kit - Eco Cube Radio 4 Bluetooth YE-5000 - Assembled Functionality confirmed. Radio / Analog Power Generation / Battery Use / Light / Sensor Light / Bluetooth / Dynamo Smartphone Charging (Emergency) Includes instruction manual. [Product Description] ・The Eco Cube Radio is a radio kit equipped with features like emergency dynamo charging. ・This kit is designed to teach energy conversion technology through experiments and construction, and to learn how to handle electrical appliances correctly. #YE-5000