Hi,my dear angel, welcome to Jacenvly, our products are cheap and good quality, price is fair, you can't miss it. If this product is not your style, please click on our store, we have many kinds of products, there will be you like and suits you. If you have any questions about your purchase, please send us the first message, we offer world class customer service to make your purchase without your worries. Have a nice day. Universal Mobile Phone Earphones With Earphones And Microphone Wired Bass Stereo Sports Wired Earphones Features: The body is paired with an elastic and comfortable ear loop, which firmly fits your ears and cannot be shaken off Phonetic quad core, instantly triggered dual quad core earbuds Wearing it all day without pain, the slanted ear style is lightweight and non oppressive, and long-term wearing is comfortable without damaging hearing Ergonomic collar design with a thoughtful between sports and leisure Widely free matching and audio source devices with 3.5mm circular hole interface Product Description: Product name: In ear earphones Horn: 10mm Sensitivity: 105 ± 4dB Impedance: 320 Frequency response: 20-20kHz Plug: 3.5mm Line length: 1.2m Power: 5mW Universal Mobile Phone Earphones With Earphones And Microphone Wired Bass Stereo Sports Wired Earphones Features: The body is paired with an elastic and comfortable ear loop, which firmly fits your ears and cannot be shaken off Phonetic quad core, instantly triggered dual quad core earbuds Wearing it all day without pain, the slanted ear style is lightweight and non oppressive, and long-term wearing is comfortable without damaging hearing