- Speaker: 50mm.-2. Interface: 3.5mm + 3.5mm.-3. Microphone: omnidirectional microphone Φ6.02.7mm.-4. Material: ABS；Size: 225173*100mm. Cable length: 1.8m.-5. Weight: 270g.-6. Headphones with volume adjustment function.-7. With 2-in-1 audio adapter cable, can be used for dual-audio port PC or laptop.-