NIB/FACTORY SEALED/NEVER OPENED COLOR:BLACK (S6EVW-R740) -Get ready to experience the patented, skull-thumping power of Crusher Bass — now combined with the ultimate audio customization of Personal Sound. You’ve never heard your music and movies like this before, because there’s never been anything like this before -Features: Personal Sound by Mimi/Crusher Adjustable Sensory Bass/40 Hours of Battery + Rapid Charge/Call, Track & Volume Control/Built-in Tile Finding Technology/Flat-Folding & Collapsible Design -Additional Features: Rapid Charge: 10 min = 4 hrs/ Skullcandy App Compatibility/Auto Connect/Bluetooth v5.0/ Flat-Folding & Collapsible Design -Technical Specifications: phat farProduct Type: Bluetooth Over-Ear/Connection Type: Bluetooth 5.0/Impedance: 32Ω ±15%/Driver Diameter: 40mm/THD: <1%@1K/Sound Pressure Level: 95~100dB/Frequency Response: 20Hz - 20KHz/Weight: 312g What's in the box: -Crusher Evo Wireless Headphones -USB-C Charging Cable -Backup AUX Cable -Protective Travel Bag -User Guide