Specifications:Ergonomic angle design and soft high-quality earplugs not only give you a comfortable hearing experience, but also not easy to fall off when running, hiking or jogging.Earmuffs are small in size, soft and comfortable in texture, and comfortable to wear when lying on one side.Stereo headphones can produce high quality stereo sound, high fidelity sound quality, bass enhancement, sound quality clear, and restore the details in place.Soft and durable cable is designed for anti-tangling and non-frustrating.Untangled cables are neatly stored, allowing you to connect devices in a smooth and simple manner.Powerful bass comfortable headphones have a great seal, reduce external noise, and allow you to hear clear rhythms.Type 1 has tuning function, and type 2 has no tuning function design.Item Name: EarphoneMarterial: Silicone, TPEApplicable to: Mobile Phone, Laptop Computer, Desktop ComputerPiercing: In-EarPlug Diameter: 3.5mmType of Plug: In-LineWith Microphone: YesSound Principle: Moving CoilImpedance:16()Length Of Wire: 1.2 (m)Loudspeaker Diameter: 10 ( Mm)Frequency Range: 20-20KHzSensitivity: 118Db, 3DbRated Power: 3WFeatures: Stereo, Adjustable, In-EarSize: 10cm x 5cm x 1.2cm/3.94" x 1.97" x 0.47" (Approx.)Notes:Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Earphone