The meter shows we used the phone for 34 minutes in 10 days.

However, this power is overwhelming on his body so he can only use it for three minutes.

Use the ice pack for up to 15 minutes at a time.

You might say, hey, this computer could only be used for 30 minutes by one person.

You can use ice for 15 minutes every 4 to 6 hours.

You can use heat for 20 to 30 minutes, 2 or 3 times a day.

Use the ice for five to seven minutes an hour.

Went down and used the hot tub for 20 minutes.

On average they are used for around 70 minutes per day.

In some lessons you might use it for five minutes.