![Amazon.com : Sunny Health & Fitness T7643 Heavy Duty Walking Treadmill with 350 lb High Weight Capacity, Wide Walking Area and Folding for Storage, 350 LB Weight Capacity : Sports & Outdoors Amazon.com : Sunny Health & Fitness T7643 Heavy Duty Walking Treadmill with 350 lb High Weight Capacity, Wide Walking Area and Folding for Storage, 350 LB Weight Capacity : Sports & Outdoors](https://m.media-amazon.com/images/I/81vUPXsYHRL._AC_UF350,350_QL80_.jpg)
Amazon.com : Sunny Health & Fitness T7643 Heavy Duty Walking Treadmill with 350 lb High Weight Capacity, Wide Walking Area and Folding for Storage, 350 LB Weight Capacity : Sports & Outdoors
![Got this treadmill at a garage sale without a manual and I need help to find out what the usb is for? I plugged my iPhone into it and all it does Got this treadmill at a garage sale without a manual and I need help to find out what the usb is for? I plugged my iPhone into it and all it does](https://i.redd.it/xaq0m8o0dqe11.jpg)
Got this treadmill at a garage sale without a manual and I need help to find out what the usb is for? I plugged my iPhone into it and all it does
![Treadmill (3 year old), Sports Equipment, Exercise & Fitness, Cardio & Fitness Machines on Carousell Treadmill (3 year old), Sports Equipment, Exercise & Fitness, Cardio & Fitness Machines on Carousell](https://media.karousell.com/media/photos/products/2023/4/11/treadmill_3_year_old_1681202503_c4ea860b_progressive.jpg)