Using a promotional product such as a Solar Dynamo Power FM Radio With LED Flashlight in combination with other marketing media will increase your response rates. With its full band FM / AM radio, built-in speaker, 5 LED flashlight, 8 LED emergency lamp, solar power panel, hand crank handle, build-in 500mAh lithium battery, dynamo generator, rechargeable 500mA lithium battery, 3 x AA battery (not included), charging Interface USB and micro USB and ability of listening to music, camping, clients are more likely to respond to your advertising.