Brief introduction: 

JH-310 is very new best selling noise cancelling headphones from Joyshiya, it adopt flat folding design, convenient to take for travellers; the middle folding material adopt metal, very durable for using. Its high reduction level to offer you a superb listening experience, it is very suitable for people using in noisy environment like subway, train, plane, etc. 

Production Features: 

Reduce the noise

Product pictures:

Product parameter:

1.  Driver unit: 40mm Dynamic Speakers

2.  Impedance: 32ohm+/-10%

3.  Frequency response: 20Hz-20kHz

4. Sensitivity: >107dBat 1KHz

5. Active reduction leve: >22dB at 300Hz

6. Plug:3.5mm stereo plug

7. Cord lenth:1.2M

8. Power requirement:2xAAA batteries