Is your smartphone a pain in the neck?
Average smartphone user spends 2 to 4 hours a day on their phones which is 700 – 1460 hours a year. This might have a big toll on your posture. WHY?
Average smartphone user spends 2 to 4 hours a day on their phones which is 700 – 1460 hours a year. This might have a big toll on your posture. WHY?