Gadget - Good helper

The Gadget Pack brings together the following tools
- Measure noise, click to measure noise and allow the phone to access the microphone (if you can't access the microphone, you will not be able to collect the sound) and use and analyze the noise pollution level.
- Measure the speed of the network, the premise is to allow the gadget to access your mobile phone network, you can quickly know your current speed value.
- Protractor Use this tool to view the angle value of an object in reality, which is very convenient for your life.

More gadgets Come and try the gadget kit