【High-Fidelity Audio Bluetooth Headset】The upgraded Bluetooth headset is equipped with dual 40mm acoustic stereo drivers and active noise reduction technology to bring you an extraordinary listening experience! Whether you are in a noisy environment such as a subway, bus or airplane, it can bring you immersive high-quality sound effects. In addition, with ENC environmental noise cancellation technology, you can have clear calls even on noisy streets.【Bluetooth 5.3 Wireless Headset】Our wireless Bluetooth headset is compatible with all Bluetooth-enabled devices. Advanced Bluetooth 5.3 technology provides a more stable and faster Bluetooth connection, which can be paired with two devices at the same time and switch between them seamlessly.【Soft and Comfortable Over-Ear Headset】Soft and durable memory protein earmuffs fully wrap your entire ear, without pressure, ensuring your comfortable listening all day. The lightweight design makes it your best choice for travel, exercise and daily use!【50-Hour Long Battery Life and Fast Charging】The active noise reduction headset adopts the third-generation new energy battery and NTC energy-saving chip. It can provide up to 50 hours of playback time on a single charge. This active noise reduction headset can also be easily connected to other non-Bluetooth devices via a 3.5mm audio cable, plug in the included audio cable to listen longer in wired mode. Keep you away from charging anxiety!【Foldable and Lightweight Headphones】This headset adopts a folding design and micro-motion stretching structure, which is easy to carry and store. The adjustable headband can easily adapt to any head shape and size, and is comfortable to wear. The folding and retracting functions make it practical and user-friendly!Please note: 50 hours of long use time without active noise reduction function.