1.FM / MW / SW ( 1-2 ) 4 -band receiver system Proprietary tuning knob speed control 2.5 inch Speaker with excellent sound quality 3.Hand crank recharge 4.High Efficient generator for cranking charging. Built-in Emergency LED light color: gray material: plastic Earphone jack DC adapter jack Compact and portable Technical Parameters: Frequency: FM: 87~108MHz AM: 525~1710kHz SW1: 3.20~7.60MHz SW2: 9.20~22.0MHz Sensitivity: FM is superior to 10V MW is superior to 1mV / m SW is superior to 30V Dimensions:169 x 147 x 55mm Package Contents: 1 x Digital Radio Receiver Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.