Firefly Portable Recovery Device

Firefly Portable Recovery Device Used by Olympians, weekend warriors, and professional athletes, Firefly is a revolutionary new way to recover from workouts 3x faster by increasing full-body blood flow. Unlike traditional recovery devices, Firefly doesn't tie you down with wires and bulky equipment. It's designed to fit into your active lifestyle. Details: Starter Pack contains 2 pairs (4 total Fireflys) and 1 pair of knee straps. Each Firefly device delivers 30 hours of recovery treatment (suggested recovery time of 1-4 hours based on training intensity). Most users prefer to use Firefly with knee straps. The knee straps help to keep firefly in the optimal position for maximum benefit. The battery is not replaceable / rechargeable after 30 hours of use.