Active Noise CancellationExperience immersive audio with ANC, AI call noise reduction, and 4-microphone noise cancellation technology. Comfortable FitSkin-friendly ear cushions and lightweight foldable design ensure all-day comfort for extended wear. Powerful Sound40mm drivers deliver rich, detailed audio for an exceptional listening experience. Long Battery LifeEnjoy up to 67 hours of playtime with ANC off or 38.5 hours with ANC on at 50% volume. Advanced Bluetooth-compatible 5.4Seamless wireless connection with improved range and stability. Versatile ConnectivityFeatures both Bluetooth-compatible and 3.5mm audio jack for wired listening options. Deep Noise ReductionAverage noise reduction depth of -25dB, with a maximum of -35dB for superior sound isolation. Specifications: Model: HBN07 Chip Solution: JL 7018F8 Bluetooth-compatible Version: 5.4 Bluetooth-compatible Protocols: HFP, HSP, AVRCP, A2DP Working Distance: 10m Driver Size: 40mm Impedance: 32 15% Rated Power: 20mW Maximum Power: 30mW Audio Interface: 3.5mm Charging Port: Type-C Battery: 500mAh Polymer Lithium Battery Charging Time: Approximately 2 hours Standby Time: Approximately 80 hours Dimensions: 18 x 19.5 x 5.8cm Weight: Approximately 270g Average Noise Reduction: -25dB Maximum Noise Reduction: -35dB Package included: 1 x USB-C Charging Cable 1 x Headphone 1 x Storage Bag 1 x 3.5mm Audio Cable 1 x Chinese and English Instruction Manual