● ENC Environmental Noise Cancellation ● Hybrid Active Noise Cancellation ● Hi-Res Audio-Dual Sound Chamber Design ● Bluetooth Version 5.4 ● Ergonomic Design ● Noise Reduction Depth up to 38dB ● Working Time: 100H(ANC OFF), 60H(ANC ON) ● Pluggable Mic ● Multifunctional Button for Easy Operation ● Super Soft and Skin-friendly Protein Earmuffs ● 1000mAh Battery, 5Mins Charge for 6H Play