Item Type: Digital RadioMaterial: ABSSize: Approx. 88x46x18mm / 3.46x1.81x0.71inFrequency Range:MW:522-1620 KHZ9KHZ)520-1710KHZ(10KHZ)SW: 4.75-21.85MHZFM:76-108 MHZSensitivity:MW:90dBSW:35dBFM:18dBSNR:MW:20dBSW: 30dBFM: 45dBBuilt in Battery Capacity: 500mAh 3.7 V(Include)External Power Source: DC 5VMinimum Working Voltage: 3.3VMaximum Operating Current: 350mAExternal Earbuds: Diameter 3.5mm, 32 x 2Speaker: Diameter 28mm/1.10in 6 2WMemory Card Play Format: MP3FM Stereo Crosstalk: 35dBVolume Output Power: 1.5WNumber of Storage Units: 120 (FM, Shortwave Can Dtore 50 Each, Shortwave Store 20)Package List1 x Digital Radio1 x Earphone1 x Charging Cable2 x Ear Covers1 x Storage Bag1 x ManualPlease allow for some errors in manual measurements. 1High Sensitivity: Pocket digital radio has high sensitivity reception and stable reception signal in each band. 2Digital Display: Mini radio has a 1.18 inch LCD digital display, which can show volume adjustment, FM range, band mode, track order, track play time, battery usage, etc. 3White Backlight: The pocket digital radio has white backlight, which is convenient for using the radio in the dark. 4Large Chip Capacity and Automatic Power On: Digital radio has a large chip capacity, capable of storing 120 radio stations; automatic power on function can be set. 5Automatic Station Search and Storage: Digital radio can search and store stations fully automatically, with 9KHZ 10KHZ medium wave step value, which can be adjusted by yourself. 6Easy to Use: Mini digital radio supports MP3 playback format. Easy to operate with the keypad. Pocket size, easy to carry.