UPGRADE MARKS - The indication marks of each button are engraved on the back of the transistor radio, More durable than normal printed marks. Note: there are hidden "ON/OFF" button marks under the antenna. Of course, everything is indicated in the manual and pictures.CONVENIENT - Easy to use, the shortwave radio supports 2AA battery ( Not Included ) , you can buy a suitable battery anywhere. The little portable radio with back clip and wrist lanyard, easy to take it outside.3 BANDS - FM/AM/Shortwave battery operated radio, use DSP chip and upgrade long 360 adjustable antenna to get strong receptions. FM : 87-108MHZ, AM: 522-1620KHZ, SW: 5.9-18MHZ. Please be close to the window or outdoors when using AM & SW. Usually, receiving shortwave signals has high requirements for the surrounding environment. Please kindly turning slowly to catch signals. This is an exercise of our patience, as fun as opening a blind box .3W LARGE SPEAKER - our speaker with more clearer sound after upgraded, the sound is loud enough, can meet the listening needs of the whole family.POCKET SIZE - With an emergency LED flashlight and earphone jack, it is great for walking, hiking and other indoor & outdoor activities. the compact size ( 2.76*1.34*5.08 inch ) is a great gift for elder and kids.