Brand: Shokz. MPN: T920-ST-BK-US. DualBoost Technology delivers dynamic, detailed sound   Ultra-lightweight build with soft silicone ear hooks for fatigue-free wear   OpenBass 2.0 provides bold bass in an open-ear design   Open-ear headphones designed for all-day comfort and situational awareness   DirectPitch 2.0 minimizes sound leakage for focused listening