1. Bluetooth: 5.32. Battery capacity: 500mAh charging time: 2.5 hours3. Usage time: 55 hours of music, 45 hours of music (ANC)4. Noise reduction depth: -30dB5. Size: 176*80*196mm weight: 225g6. Waterproof rating: IPX47. It can be used for 2 hours after charging for 10 minutes (70% volume)1. 30dB ANC active noise reduction technology, arbitrary switching of noise reduction/music mode2. Protein skin + zero pressure-sensitive memory foam, skin-friendly, soft, light and breathable3. 40mm professional HiFi-level dynamic speaker, accurately presenting the details of high-resolution music4. With retractable headband, ear caps can be folded
