**Brand:** Uiisii- **Model:** U9- **Style:** Ear Hook- **Vocalism Principle:** Dynamic- **Active Noise-Cancellation:** Yes- **Control Button:** Yes- **Volume Control:** Yes- **Sensitivity:** 120±3dB- **Resistance:** 32Ω- **Frequency Response Range:** 20-20000Hz- **Line Length:** 1.2m- **Waterproof:** Yes- **Plug Type:** Line Type- **With Microphone:** Yes- **Wireless Type:** None- **Communication:** Wired- **Compatible With:** Mobile Phones, iPods, Gaming**What’s in the Box:**- Uiisii U9 Wired In-Ear Heavy Bass HeadphonesElevate your audio experience with the Uiisii U9—where comfort meets exceptional sound quality