Wisoqu BQ10 Wired Earbud

6. Lightweight and Comfort: The headphones use lightweight design, easy to wear without pressure, even if worn for a long time. 0.78mm 2 pin, professional stable round ear wear to leave room for subsequent upgrade and replacement, ensuring consistent sound stability. Spec: Item Type: HIFI Wired Earphones Material: Aluminum Alloy, Copper Silver Plated, PET Speaker Diameter: Approx. 12mm / 0.5in Impedance: 40Ω Sensitivity: 113 dB Frequency Range: 5-40KHz Plug Type: 0.78mm 2 Pin Diaphragm Material: Modified PET Diaphragm How to Use: Plug and play Package List: 2 x Earphones 1 x Earphone Box 1 x Earphone Cable 1 x User Manual 12 x Ear Caps