Product Review

SPIBELT FLEX: OUR MOST INNOVATIVE AND ADVANCED SPIBELT YET. Lift weights at the gym. Get your abs burning with core work on the mat. Listen to music while you walk or run. The SPIbelt Flex is with you at every move. It holds your phone for a hands-free workout and has a headphone port so you can easily listen to music. The Flex buckles at the front so it's comfortable to wear while you're lying or sitting down. As with all SPIbelt products, the Flex is lightweight, bounce-free, and can be worn under or over clothing. Compatible with phones up to 6 ½" long including the iPhone 6S and 7.