Convenient Indicator The AM/FM radio powered by 2*AA batteries (not included in package).The red battery indicator will tell you if the battery still has power and if it needs to be replaced. Also, when you are about to receive a station, the signal indicator will turn green, which will tell you that you need to adjust the knob amplitude less to help you find that station, very convenient. Portable Design You can hold mini radio by one hand.This FM AM radio measures 71 x 129 x 29mm with weight only 135g (without batteries), close to the size of . More importantly, thanks to its back clip and lanyard, transistor radio is pretty easy to carry around whether it's clipped to pocket or carried with lanyard. Now, take it for morning exercise, stroll or a break in park, together with a piece of brisk music or a great radio show. Easy to use After a busy work, sometimes it's nice to take a nap with a simple battery radio. This portable radio is designed with three control buttons - Tuning Knob, Volume Knob, Band/Power On/Off button, which is very easy to operate. On the other hand, the tuning indicator will alert you to available radio stations. See how easy it is. Emergency Radio: Keeping you in touch with the world and get live news. Keep one in your emergency bag for long trips, power outages, hurricane weather, and other emergencies with our battery-powered portable AM/FM radio. High-quality AM/FM pocket radio: anti-jamming chip, effectively improve the radio sensitivity. Supports ultra-wide signals in the FM (87-108 MHz) and AM (520-1710 KHz) frequency bands. The 6-section 16.5-inch 360-degree rotatable ultra-long telescopic antenna provides strong signal reception, perfectly receiving all frequency bands in your area, you can easily listen to music, news, traffic information, food news and other programs.