FeaturesIn-Ear Headphones BasicAluminum alloy sound chamberThe aluminum alloy sound chamber is anodized to protect against corrosion and has gone through zircon sandblasting to make it scratch and slip-resistant. Delicate details like the chamfered edge feel smooth in hand and add an elegant touch.3rd gen balanced dampingUniquely designed, the 3rd generation-balanced damping system enhances sound and airflow. It separates air flow atthe front of the chamber and let sound through the back to create a mellow and transparent sound.Press for playPause, play, answer and hang up calls conveniently with a simple press of a button.Compatible with Mi phones, Android, and iOS devices.Curves in all the right placesBacked by extensive research, the main body is ergonomically angled to fit your ear canal for long-lasting comfort. This anti-slip design also prevents it from dropping out easily.SpecificationsProduct Name:In-Ear Headphones BasicType: In-EarSpeaker impedance: 32Weight: 14gCable length: 1.4mJack type: 3.5mm PlugRated power: 5mWFrequency Response Range: 20-20,000HzStandard: Q/WMSX 004-2016Earbuds: Additional S/L size options