the box :57cmX29.57cmX24.5cm
Advantages 1put on the earphone Extend the wire of earphone to its full length for best result of recetion because the wire is also an antenna
2)place the poweer swith in "ON"
3) press the "reset" button the radio station will be changed from one to another until you favorite station.
Frequency Range :FM88-108MHz
6) power :2X1.5V (&11X5)button cell batteries