Active Noise Cancellation (ANC): The P6066 features powerful ANC technology that reduces external noise by up to -25dB, providing a deep noise-cancellation experience for immersive audio in any environment Long Battery Life: Equipped with a 400mAh polymer lithium battery, these headphones offer over 40 hours of playtime on a single charge, with a standby time of approximately 200 hours Bluetooth 5.3 with Fast Connection: Enjoy fast and stable connections with Bluetooth 5.3 technology, ensuring smooth audio transmission and reliable pairing with your devices Comfortable Over-Ear Fit: The headphones are designed for comfort with cushioned ear cups, making them suitable for long periods of use without causing discomfort Versatile Listening Options: The P6066 supports Bluetooth and AUX (3.5mm), giving users the flexibility to switch between wireless and wired modes for continuous playback Specification: Bluetooth Version: 5.3 Chip Type: 5605B Battery Type: Polymer lithium battery Battery Capacity: 400mAh with protection board Charging Time: Approximately 2 hours Usage Time: Over 40 hours Standby Time: Approximately 200 hours Speaker: 40mm dynamic driver Charging Port: Type-C Transmission Range: Up to 10 meters without obstacles Transmission Power: 5V1A Noise Reduction Level: Deep noise reduction up to -25dB Speaker Sensitivity: 113+3dB Frequency Range: 20-20,000Hz Signal-to-Noise Ratio: 88dB