PVC is the main material of our product. The category is earphones & headphones. The connectors of our product are USB. The earcup type is sealed. The wireless type of our product is Bluetooth. Looking for different styles, such as neckband? Our store can meet your needs. The features of our product include a microphone. The Bluetooth version is 5.3. The certification of our product is CE. Our product is from CN (origin). Communication is wireless. The impedance range of our product is up to 32 Ω. The function of our product is HiFi headphone. The package includes a user manual. The charging method is a cable. The vocalism principle of our product is dynamic. The headphone pads of our product are made of silicone.