Engineered with an adjustable sport-fit headband and unique hexagonal pattern for extra grip, BackBeat FIT 6100 stays put even when you're hitting a jump-squat-burpee-pushup combo. Stretch and latch the headband's draw cord for an ultra-stable fit while working out, or unlatch the cord for a more relaxed fit, perfect for all-day listening.. Aug 04, 2021 ยท The Plantronics Backbeat Fit 6100 comes with 24-hour battery life. However, you can still get up to 26 hours of battery life from this set of headphones on a single charge. If you will be only be using them during a morning run, or a one-hour session in the gym, then they may last almost a week.. "/>Backbeat fit 6100 wireless bluetooth headphones sport