It delivers clear sound（Ф100mm/4Ω/20W）, making sure your favorite broadcast sound better than ever before. Retekess TR113 Portable AM/FM Full Band Ham Radio Backlight APP Control Camping Feature: TR113 is a DSP digital display multi band radio that supports SSB; explore the airwaves with our radio’s extensive frequency coverage Full band reception; supports FM/AM/SW/VHF/UHF/LW/CB/WB/AIR/aviation band; you get a more diverse selection of radio programs and enjoy a wide range of information resources wherever you are Multi band reception; the product achieved multi band broadcasting reception that supports AIR/ FM/AM/SW/VHF/UHF/LW/CB/WB; meets the needs of HAM enthusiasts for machine exploration APP control; within a range of less than 20 m; it can achieve band switching; mode switching; digital key frequency tapping; volume control; frequency selection; recording within the radio; locking and prevent accidental touch Multiple antennas; support gain modification and the expansion of a variety of external antennas; so you don’t have to worry about signal problems; signal reception is more stable Multiple tuning; digital tuning; manual tuning; pulley tuning; side knob tuning; different tuning provide different experiences; you can choose the most suitable method to adjust the channels Aviation band; designed 5 meter waves in the AIR aviation band; single listening aviation band; for enthusiasts who enjoy air traffic; it provides a way to observe aviation activity Dual display screen; display different types of information at the same time; the main screen displays band; power; and the secondary screen displays timing; sleep and other information; you can conveniently access a variety of information without switching screens Radio search method; fully automatic search; automatic storage of radio stations; manual storage of radio stations; and automatic search of radio stations; provide you with different flexibility and convenience Bluetooth and TF card playback; the radio can be connected to Bluetooth for wireless transmission and playback; multiple playback formats; support up to 256GB of MP3, WMA, WAV, APE, FLAC, TF formats for playback Description: Package Includes: TR113 Radio*1 Lanyard*1 3.5mm External Antenna*1 USB Type-C Micro USB*1 Instructions*2 Screwdriver*1 About Us