When sound waves come into contact with air it causes a dissipation of the waves, and so a special ultrasound gel is placed on the skin to ensure maximal contact between the treatment head and the surface of the skin and to provide a medium through with the sound waves can travel.
To delete your data from the Band and Microsoft Band, follow these steps: 1  Step 1: On your Band, tap Settings Tile > Power 2  . Step 2: Swipe left, tap Reset Device, and tap Yes when asked if you want to erase all data. 3  Step 3: Open the Microsoft Band app, and tap Menu î > My Microsoft Band > Unregister your Band.
0. Goto Contacts page, and click on the settings button on the bottom left hand corner of the phone (to the left of the center button on the phone). Once you click that, you will get multiple options. Choose Delete option and select the numbers you want to delete and press done on the top right corner of the phone.