• Fine workmanship, exquisite and fashionable appearance, comfortable hand feeling
• 3 pairs of different sizes of liquid silicone ear plugs, soft fit in the ear canal, not easy to fall off
• 11mm dual magnetic super dynamic unit, surging HiFi sound quality
• The headset support LHDC4.0 ultra-clear transmission protocol, supports 96kHz HD audio, through the Hi-Res Audio Wireless certification, sound quality is guaranteed
• The maximum noise reduction depth of up to 48dB, up to 99.6% reduction of background noise. Noise reduction bandwidth of up to 4000Hz, a wider range of noise reduction
• The headset can intelligently identify different noise environments, automatically switch between 3 different noise reduction gears
• The headset with built-in six-axis sensor, intelligent identification, dynamic tracking head direction, to bring a three-dimensional immersive experience around

Specification:

• Model No: M2126E1
• Frequency response range: 20Hz-40kHz
• Battery type: rechargeable lithium-ion battery
• Battery Capacity: Headset: 53mAh, Charging Case: 565mAh
• Wireless charging: Support Qi wireless charging protocol
• Charging port: Type-C
• Earphone input: 5V 280mA
• Charging case input parameter: 5V2.3A
• Charging box output parameter: 5V= 560mA
• Music playback time:
• Noise cancellation off: 9 hours
• Deep noise cancellation: 5 hours
• Wireless connectivity: Bluetooth 5.3
• Bluetooth protocol: Bluetooth Low Energy/HFP/A2DP/AVRCP
• Bluetooth codec: SBC/AAC/LHDC 4.0
• Working distance: 10m (open environment without obstacles)

Note: 

• Xiaomi headset App currently only supports Android 6.0 or above phones, not iOS phones at the moment.