Specifications: Frequency range/tuning step: Frequency Modulation (FM): 64-108MHz; Smart step 0.01MHz/0.1MHz;  Optional frequency coverage: Standard: 87-108MHz (applicable to standards in other countries except for Japan, Germany, and Russia) Germany: 87.5-108MHz Japan: 76-1 08MHz;  Russia: 64-108MHz (including some campus radio and domestic channel 2-5 TV audio) Medium Wave (MW): 522- 1 620kHz; Smart step 1 kHz/9kHz (suitable for Asia, Africa and Europe) 520-1 710kHz; Smart step 1kHz/10kHz (suitable for North America) Longwave (LW): 153-513kHz; Smart step 1 kHz/9kHz;  Shortwave (SW): 2300-21950kHz; Smart step 1kHz/5kHz;  Noise limit sensitivity: Frequency modulation (FM) (S/N=30dB) better than 3uV;  Mediumwave (MW) (S/N=26dB) better than 1mV/m;  Longwave (LW) (S/N=26dB) better than 10mV/m;  Shortwave (SW) (S/N=26dB) better than 20uV;  Optional: Frequency Modulation (FM)> 60dB (±200KHz) Mediumwave (MW)> 60dB (BW=3kHz, ±9KHz) Longwave (LW)> 60 dB (BW= 3kHz, ±9KHz) Shortwave (SW)> 60dB (BW=3kHz, ±5KHz) Output power (distortion 10%): Speaker: ≥230 mW Headphone: ≥20 mW / 32Ω stereo headphones;  FM stereo separation: better than 25dB;  Number of storage memories: 550 in total;  Frequency modulation (FM) 100;  Medium Wave (MW) 100;  Longwave (LW) 100;  Shortwave (SW) 250;  Wake-up mode: radio station alarm;  Speaker specifications: diameter 57mm/impedance 892/power 0.25W cone speaker;  Quiescent Current: Frequency modulation (FM) <25mA; Medium wave/long wave (MW/LW) <23mA;     Features: This machine adopts the si4734 digital signal processing (DSP) chip of SILICON LABS in the United States to digitally convert analog FM and AM broadcast signals, and use modern software radio principles to process and demodulate them, which greatly improves listening sensitivity and selectivity. , SNR, and anti-interference ability.  Can receive FM stereo, medium wave, long wave, short wave (2.3~21.95MHz) radio programs.  Compact and portable, easy to operate, and many practical functions.  FM reception covers the 64-108MHz range and can receive FM radio frequencies in China, Europe, America, and Japan, as well as some domestic campus radio frequencies.  It is equipped with a very practical multifunctional digital adjustment knob, which can be used to set the time, adjust the frequency, and select the address.  Five ways to select channels: Tecsun’s original convenient tuning mode (ETM), manual search for radio frequencies (VF), manual search for pre-stored radio stations (VM), an automatic search and browse radio frequencies and stored radio frequencies.  Up to 550 radio frequencies can be stored manually, semi-automatically, and fully automatic (ATS), of which 100 frequencies can be stored for FM, mediumwave, and longwave, and 250 frequencies for short wave.  Multi-function display: It can display the working status of radiofrequency, electric field intensity, signal-to-noise ratio, temperature, battery capacity, etc.  High-quality and high-sensitivity speakers are used, with a beautiful sound, and FM stereo broadcasting can be heard with headphones. There is a function of automatic start-up at broadcast timing.