1. 3 kinds of intelligent dynamic noise reduction, the maximum noise reduction depth can reach 40dB 2. 48Hz wideband high resolution sound quality 3. Support dual device connection 4. Touch operation on right earmuff 5. Bluetooth 5.2 6. Charging port: Type-C 7. Battery: 410mAhx2 Li-ion polymer battery 8. Theoretical talk time: about 15 hours 9. Size: 194x152x81.5mm 10. Weight: about 265g