Sound Meter - Decibel Meter 與 Ring Sizer Pro 使用情況與統計

The sound meter Pro app uses your microphone to measure noise volume in decibels(dB). With this app, you can easily measure the current level of environmental noise. The best helper to detect noise. Sound meter Pro features: - Indicate decibel by gauge - Display the current noise reference - Display min/avg/max decibel values - Display decibel by a graph, easy to understand - Can calibrate the decibel for each device - Show measurement histories - Set warning for high decibel - Change white or black theme - Transfer into smaller interface Levels of Noise In decibels (dB) according to the American Academy of audiology, from 20 dB to 120 dB between the division, for example, 60 dB is "Normal conversation ". If the interface is small when you open it, you should know it is a convenient mode. Tap the button under the dial gram, you can change the interface into a large one. The high decibel value will be harmful to your physical and mental health and hearing function. You'd better avoid exposure in noisy environments. To protect your and your family's health, detect the decibel value now! Do not hesitate, come and download the Sound pressure level (SPL) meter Pro app now.

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Ring Sizer Pro

Simple and easy to use, but powerfull and accurate tool to quickly find the size of your jewelry ring. With this app you can: - choose between metric and imperial units - choose diameter or circumference - use unique visual guides for precise measuring - easily share your ring size through email and social networks - use up to seven different ring size measure systems, including USA, Canada, Australia, Great Britain, Europe, Italy, Spain, Germany, Russia, Japan, China, India, Hong Kong and Brazil. Ring sizer pro supports a very wide diapason of the possible sizes. From 0000 to 16 in USA size system. Some of the countries share the same measure system. For example USA system is also used in Canada and Mexico. If you don't find you country in the preferences try to find which country use the same system. If you find any mistakes in the measure in you country please send me a letter and I will fix issue in the next app update. Thank you!