Active Noise Cancelling: By eliminating up to 95% of ambient background noise around you, Haina anc earphones gives you a listening experience free of distractions.

Active Noise Canceling Headphones Talking and listening music: Whatever battery and on/off status, ANC headphone can be used as the basic function of talking and listening music.

Active Noise Canceling Earphones Charging: Headphone has a non-removable Li-ion battery.When battery is full headphone can use up to 4 hours. Charging method: Connect the headphone to USB charging adapter, and then insert the USB connector to external USB charging adapter or your computer. Make sure the USB adapter’s output voltage is 5V. Charging time is about 1.5 hours

General:

System: Dynamic
Weight: 19.6g (0.69 OZ) with cable
Sweat proof: IPX4
Design: in-ear Dynamic Drivers: 13mm , 32 ohms
Mail connection: 3.5mm stereo mini-jack plug

Noise-Cancellation
Reduce Environment Noise: Up to 95%
Noise reduction: Up to 26dB
Working Frequency Range: 45 Hz – 3kHz
Passive Noise Reduction: Up to 30dB

Microphones
Talking microphone: ECM X 1 , ANC/Monitor microphone: MEMS X 2

Speaker
Radius: 13mm, 32ohm
Frequency range: 10Hz – 22kHz
Sensitivity @1kHz: 101 dB SPL/V (Passive), 105 dB SPL/V (ANC Active)

Battery
19mAh, Playback at least 3 hours; Recharge 2 hours
Input: USB Type A, 5V±10%
Output: DC 5V, 50mA

Compatibility
Haina ANC earbuds (regular) are compatible with most mobile devices, such as iPhone and Android, laptops and desktops with 3.5mm audio jacks.