Dual ENC Microphones
Wireless Charge
Multiple Mode Converter
Active Noise Cancelling
Good Compatibility
HiFi-Sound Quality
IPX5 Waterproof
Activate Voice Assistant
Bluetooth 5.2

Bluetooth 5.2&Hybird ANC and ENC Wireless Earbuds

NT31A in-ear headphones with Hybrid ANC feature enhances the flexibility of active noise control system to get better than noise reduction effect. Environmental noise &wind noise suppression performance more than 35dB for truly immersive stereo sound, so you’re fully tuned in to your music, video, and calls. Transparency mode which lets outside sound in when you’re talking to people nearby.

Built-in 6 MIC Noise Cancelling Microphone

Conversation flows freely with easy, hands-free calling. The Bluetooth earbuds with 3 microphones of each earbud, total 6 mics deliver clearer voice quality and you can take calls using either, or both of the earbuds. This allows you to alternate their recharging or hear calls clearly in noisy environments.

Astounding Sound Quality & Crystal-Clear Calls

The built-in microphones reduce wind noise, filter ambient noise, and transmit voice clearly in any noisy environment to ensure high quality clear crisp phone calls. Both earbuds are equipped with a high-performance MEMS mic, Environmental Noise Cancellation (ENC) and Wideband Speech.For activities like cycling & running, switch on Transparency Mode to be more aware of the world around you while still reducing wind noise and other background noise.

Wireless Charging & 36H Playtime

On a full charge, the Bluetooth earphones offer 7 hours of power, the handy charging case provides a further 4 charges to keep you going throughout all day. That's up to 36 hours of noise-free listening. 1 hour of listening time on only 10 minutes of quick charging. With the noise cancelling wireless earbuds , the music just keeps on playing.


earphone weight (single): 4 g
charging box weight: 36 g
machine weight:44 g
earphone size: 37*25.5*7.5 mm
charging box size: 61.71*52.54*24.45 mm
earphone battery capacity (single): 40 mAh
charging box battery capacity: 400 mAh
earphone charging time: 60 minutes
charging box charging time: 120 minutes
speaker impedance: 32 Ω
communication distance: 15 meters
Support audio format: APTX/AAC/SBC
Use time
* Headphone fully charged state
Talk time: 5 hours
Music playback: 7 hours
* Headphone fully charged + charging box fully charged state
Talk time: 20 hours
Music playback: 35  hours 
Bluetooth specification: Bluetooth® 5.0
Bluetooth protocol: HFP / A2DP / AVRCP
input: 5V 1A
Operating temperature: 0 ℃ ~ 45 ℃
Frequency band: 2.400 GHz ~ 2.4835 GHz
The specification parameters are laboratory test data.
* The playback time is the laboratory measurement data under the condition of AAC format and 50% volume, which may vary depending on the device settings, environment, usage, and many other factors.