My runs ranged from 4 miles to 16; 30mins to over 2 hours. Strap seems to not have enough wiggle room inside the bracket to prevent rubbing or binding. My boyfriend never wore sliders before and he loves these. The screws that were provided were apparently a low grade metal; the Phillips heads stripped out immediately under installing pressure. Less than two hours to charge and lasted 12 hours easily, which is surprising given the energy required to produce a Expecto Patronum spell over, and over, and over again! Had some trouble using this in the first few gigs as it interfered with the Wifi tablet that controls our Behringer XR18 regardless what channel I set it at. The whole thing is effortless. COMFORTIf im gaming for a few hours, i want a comfy headset. Aside from a few exceptions, this is the pinnacle of IEMs guys. A lot of people ask about the narrow vs regular fit.