White Noise Sound / smart device

This is a smart device to help people do better in sleep and metal concentration by play the white noise.
The mobile phone monitors the user's sleep data and send data to the smart device.Then the smart device play the white noise which is convenient for the user to fall asleep.The smart device can automatically change the level of sound and type according to the user's data. In the morning, according to the user's data，the device will play the white noise to wake up the user in the most comfortable way.In addition, white noise can be played when mental concentration is required.Users can view their analysis and get advice from app.