2-cb1106e2e21969f3.js","9888","static/chunks/9888-d48720c0d3cecfaf.js","1623","static/chunks/1623-8f9c42c74ef44b22.js","9678","static/chunks/9678-bc3175fdc66b489e.js","8275","static/chunks/8275-bc0cd43a5d16c2eb.js","8556","static/chunks/8556-0661fc57cf5e861e.js","1801","static/chunks/1801-ff2957ded3b42991.js","2177","static/chunks/2177-75a725a1c0a3636f.js","2450","static/chunks/2450-2af1615d1ec02554.js","3690","static/chunks/3690-d6ce99b634a3c6d6.js","6849","static/chunks/6849-a5aa65d17e203de5.js","298","static/chunks/298-222bf2d33590277a.js","7820","static/chunks/7820-25836c09109f5f87.js","686","static/chunks/686-da86c4d4102875ea.js","2755","static/chunks/app/%5Bdomain%5D/%5Blang%5D/(main)/products/%5BproductIdTitle%5D/page-314adcde2f47373d.js"],"default"] 35:T5c9,Product: H300
Color: White
Earphone Type:With wire
Speaker: Yes
Dive Unit: 40mm
Jack Dimension: 3.5mm
Output Resource: HiFi
Wire Length: 1.2m
Sensitiveness: 111dB+/-4; Frequency range: 8Hz-22000Hz
Intelligent Noise Reduction: 20dB
Passive Noise Canceling: 35Db
Distortion Factor:94dB, 1KHz
Impedance: 100 ohm (non-noise cancelling mode) 300 ohm (noise cancelling mode)

Battery Installation
Spin the cover on right ear counter clockwise to open it, and install 7A battery as symbol.
Spin the cover clockwise to cover it with aid of 2 metal bump

About 233621:
Customized intelligent noise reduction products for Airlines... It is China's 1st professional intelligent noise reduction technology development and industrialization of the national high-tech enterprise, with more than 6 years of research and product of intelligent noise reduction technology experience achievements, is OEM, ODM manufacturers for large international companies, and has been providing products and services on intelligent noise reduction for Singapore Airlines, Qatar Airways, the United Arab Emirates Airlines, China Southern Airlines and Hainan Airlines and many other airlines. Globa