Specifications: Color:BlackFrequency range: FM (frequency modulation) 87.0-108.0MHZ / MW (medium wave) 525-1600KHZ / SW (short wave) 3.90-22.00MHZNoise limit sensitivity: FM (frequency modulation) > 6uv / MW (medium wave) > 1mv / m / SW (short wave) > 30uvSelective single signal:> 20dBPower supply: DC 4.5V 3 *D batteries (built-in battery) DC 4.5V-6V/250 mA AC 220VBuilt-in speaker: D92 mm 4 ohms 3WExternal headphones: D3.5 mm 32 ohmsMaterial: Plastic  Features: -12-band FM / medium wave / short wave high sensitivity radio-High-quality speaker sound is loud, low noise-FM (power on) and SW/MW (power on).-It is powered by three D batteries and saves power.-External DC/AC power supply is available.-Pluggable headphones.-User-friendly design, easy to carry.-Switch the radio. Press the FM or MW/SW button to turn the radio on, press the -POWER OFF button to turn off the radio.-Listen to FM radio. When the FM button is pressed, the power is turned on and the FM indicator is on. At this time, the FM radio is played. Rotate the tuning knob to observe the frequency as a window and select the radio program you want to listen to.-Listen to the medium wave broadcast. When the MW/SW button is pressed, the power is turned on, the amplitude/short wave indicator lights up, the band selection push button is pushed to the MW (medium wave) band position, the tuning knob is rotated, the frequency indication window is observed, and the broadcast program you want to listen to is selected.-Listen to shortwave broadcasts. When the MW/SW button is pressed, the power is turned on, the amplitude/short wave indicator lights up, the band selection push button is pushed to the SW (short wave 1-10) band position, the tuning knob is rotated, the frequency indication window is observed, and the broadcast program you want to listen to is selected. .-Adjust the volume: Rotate the volume up and down. Connect the knob to adjust the volume of the radio to fit the size.  Package Included: 1 x Portable radio1 x Charging cable1 x User manual