This emergency solar hand crank radio has a built-in 2000mAh battery, which can support long time radio operation. Whether you're outdoors or during a power outage, the power bank will keep your USB devices charged in an emergency. At the same time, the radio has added a visual power indicator LED light, allowing you to easily understand the remaining power in real time. Multiple charging methods: solar charging, hand crank charging, USB charging. The radio's crank and solar panels regenerate enough electricity to keep the radio, lights and SOS alerts on hand when you need them most. The micro USB cable offers you the most efficient way to charge your radio. In an emergency, the SOS feature allows you to call for help by sounding a loud siren and a flashlight that ensures you're going somewhere. This solar-powered emergency radio adds Bluetooth-compatible link functionality to fill indoor rooms and outdoor work with clear, rich sound. Powerful bluetooth compatible 5.0 chip can be easily connected to any bluetooth compatible devices, can play sound continuously in any situation, and it works perfectly with iPhone, iPad, Samsung, HTC. Bluetooth compatible speakers can create an exciting atmosphere for your party, suitable for home, gym, yard, camping, swimming pool, beach. Flashlight: 1 LED (strong light 1W) Desk Lamp: 10 LEDs (strong light 1W) Radio Frequency: FM:87-108MHz AM:520-1710KHz WB:162.400-162.550MHz Built-in Battery: 3.7V 2000mAH 18650 Lithium Battery Solar Panel Specification: 5.5V30mA Speaker Power: 3W 4 Manual Power: 5v0.5V 350mA Type-C Input Power: DC5.0V1.2A USB Output Power: DC5.0V 1.0A Material: ABS Color: Gray, Green, Orange(optional) Size: 147.5 x 81 x 50.8mm Weight: 400g Package List: 1 x Solar Emergency Radio