Features: pocket size, easy to carry. Built-in 500MAH lithium battery. High-sensitivity reception, using steel six-section rod antenna, the receiving signal is stable in each band. Easy button operation, - shutdown memory. 1.18 inch LCD digital display: 17 levels of adjustable volume selection, FM range, band mode, track order, track playback time, battery. The use is clear at a glance, and a white backlight is also designed to facilitate the use of the radio in the dark. The chip has a large capacity and can store 90 stations (20 stations in the two bands of the FM medium wave and 50 stations in the short wave). Can be set to automatically turn on the function radio to automatically search the station radio. The medium wave step value of 9KHZ/10KHZ can be adjusted according to the needs of the country. Support MP3/WAV playback format. Specification; Frequency range MW: 522-1620 KHZ (9KHZ) 520-1710KHZ (10KHZ); SW: 4.75-21.85MHZ; FM: 76-108 MHZ; Sensitivity: MW: 20mV; SW: 31UV; FM: 8UV; Signal to noise ratio: MW: 30dB; SW: 25DB; FM: 40DB; Lithium battery:500Mah 3.7v External power supply:DC 5V Minimum operating voltage:3.3V External earplug:3.5MM/32X2 Speaker:28mm/6/2W TF card playback format:WAV, MP3 Product size:87 x 46 x 18mm Package Included: 1x Stereo Earphone ; 1x USB Charging; 1x Lanyard; 1x User Manual;