CoStySee Magnetic Phone Mount for Gym,Fitness Mount with Velcro Strap for Price:  $15.98 (as of 04/10/2023 12:04 PST- Details)

【DESIGNED for FITNESS】: Magnetic phone holder with strong magnets to securely hold your iPhone 12/13 on your fitness device (Please use matching with magsafe phone case or bare phone)
【FIXED FIRMLY】: The fitness phone holder is equipped with a strong adhesive strap, which can be securely fastened to handlebars or poles within 1.5 inches in diameter. No need to worry about dropping your phone
【DOUBLE-SIDED MAGNETS】: he front of the stand absorbs the mobile phone, and the back of the magnet block can be easily connected to metal equipment such as treadmills, rowing machines, refrigerators, etc.