Sandwich style metal composite technology for diaphragm Better balance damping system (3rd Generation)
"Spiral Pipe" sound chamber, bass performance optimization. More professional tuning mode with super fine and sophisticated design.Support Xiaomi devices and iOS devices such as iPhone and iPod (some functions do not work on some Androids and iOS). Fashion flat line design, built-in kevlar fiber, more resistant to pull. Built-in capacitor microphone line is compatible with Android and other mobile phones. A large number of medical ear canals data, wearing more comfortable.
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