Display technology: 4.3 inches IPS 800x480 resolution DC dimming bright LCD    Control mode: resistive touch screen + rotary encoder    Working mode: CW, AM, SSB single sideband (LSB/USB), WFM, FM radio stereo (headphone required)    Audio interface: support ordinary 3.5mm earphones or CTIA (US standard) interface earphones    Channel storage: 99 channels can be preset, preset station name, station frequency and demodulation mode        Basic parameters    Frequency range: 100k-149MHz    Spectrum bandwidth: 192kHz, 128kHz, 64kHz, FFT real-time spectrum display    Charging port: USB Type-C, 5.0V/2A    Current consumption: about 250mA @ 5V    Battery capacity: 5000mAh/3.7V, 18.5Wh    Use time: about 10-12 hours, depending on the machine volume and brightness settings    Show list of controls    Encoder selectable twelve items    1.Channel selection: 1-99    2.Frequency setting: 100k-149MHz, minimum step 1Hz    3.Speaker volume (SPK): 0~35dB, 1dB step    4.Earphone volume (EAR): 0~35dB, 1dB step    5.Modulation: CW, LSB, USB, AM, WFM, STE (FM stereo), I/Q    6.AGC setting: OFF, SLOW, MID, FAST    7.Reference level (REF): -99~99dB, 1dB step    8.Backlight brightness (LCD): 1%~99%    9.IF GAIN : -12~67dB, 1dB step    10.Spectrum style setting: green fill, green line, blue fill, white line    11.Spectrum bandwidth setting: RF spectrum (192kHz, 128kHz, 64kHz) and audio spectrum (64kHz)    12.Waterfall Locale: Waterfall or Waveform (x1 / x8 / x64 amplitude)    size: 140 x 74 x 22mm     Material: ABS+metal    colour: black        Package Contents:    1 x receiver    1 x antenna    1 x data cable    1 x stylus