 WBT AM Charlotte. WBT FM Chester. WLNK HD2 Charlotte. News Talk 1110 and 99.3 WBT. Good afternoon, I'm Anna Erickson. In the WBT News Center, the average teen spends up to nine hours a day on their phones. And research shows extra time spent on social media is linked to mental health damage and an increased risk of self-harm. So the North Carolina Attorney General's office is out with some tips to keep your kids safe this summer.