Sonic Master has designed an exquisite sound wave generator that can produce sounds of specified frequencies. You can use your finger to slide up and down to control the frequency. You can also choose different waveforms such as sine wave, rectangular wave, triangle wave, and sawtooth wave. After tuned to a satisfactory sound wave, you can choose to export the audio file. 【Feature】: 1. Sound wave generator Produce sound with frequency of 1~20k Hz, support sine wave, rectangular wave, triangle wave, sawtooth wave, easy to operate. 2. Export sound waves You can select export duration, sound channel, sampling frequency, generate audio files and then export. 3. Drain Water in the mobile phone will affect the performance of the mobile phone and cause greater damage to the speakers. Sonic Master uses the principle of sonic vibration to shake out the water in the phone, and it can solve the trouble of water in the phone without disassembling the phone. 4. Dust removal The speaker of the mobile phone will absorb a lot of dust and iron powder, which will cause the speaker to have a small sound, and severely pop or even no sound. Sonic Master uses the principle of resonance to make the dust vibration away from the speaker, so as to achieve the effect of dust removal 5. Focus timer The Pomodoro Technique makes you more efficient, focus on 25 minutes, rest for 5 minutes, and combine work with rest 6. Music timer Music plays regularly to help you sleep well 7. Voice of Nature Selected high-definition sound of all things to create different natural time and space experience for you. Sound scenes include: forest, flowing water, distant mountains, forest breeze, night sea, snow-capped mountains, library, etc., calm your mind and body with nature 8. Decibel Meter Noise will damage your hearing unknowingly. The decibel meter can accurately measure the environmental noise and pay attention to noise pollution anytime and anywhere.