A great amount of awareness of your brand can be achieved among your customer by equipping them with Emergency Portable Solar Power Crank With LED Flashlight which has great features that includes high efficiency and power saving, siren function, range of radio AM 540KHz-1600KHz /FM 88MHz-108MHz, speaker power ≥100 mW, 40mAh solar battery, LED flashlight, charge cable, USB plug, multipurpose USB adapter and your customers can use it as emergency use, listening to music.