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The clamp is surprisingly sturdy—I snapped it onto my treadmill handlebar and it didn’t budge through a full 30-minute run. The 4 speeds give me enough range that the lowest setting is gentle for desk work, and the highest is a solid breeze.

Battery life is the real star here—I clipped it to my treadmill console and ran three full sessions before it even blinked at the red. The 8-inch head pushes a surprisingly strong breeze on speed 3, and the clamp grips the rail without a wiggle.

Used it on my treadmill desk during a long work session, and the four speeds make it easy to dial in just the right breeze. The battery lasted over six hours on the second setting without needing a recharge.