Backed by extensive research, the main body of Mi In-Ear Basic Earphones is ergonomically angled to fit your ear canal for long-lasting comfort. This anti-slip design also prevents it from dropping out easily Uniquely designed, the 3rd generation balanced damping system enhances sound and air flow. It separates airflow at the front of the chamber and lets sound through the back to create a mellow and transparent sound. The diaphragm uses a combination of aerospace-grade metal and PET to create a balanced and solid sound. Tuned and optimized across popular music genres including pop, rock, dance and more. Pause, play, answer and hang up calls conveniently with a simple press of a button. Compatible with Mi Phones Android and iOS Devices. Light yet scratch-resistant, the aluminum sound chamber is anodized for a sleek finish and features a finely engraved CD-like pattern to prevent it from slipping. Original Xiaomi Piston Basic Edition In-ear Headset Earphone With Mic- Silver General Specification Brand Xiaomi Model Piston Basic Edition Color Black, Silver, Blue, Purple, Pink Cable Length 1.25mm Wearing Type In-ear Type Product Weight 14g Technical Parameters Conectivity Interface 3.5mm audio jack Rated Power 5mW Jack 3.5mm Impedance 32ohm Frequency Response 20-20000Hz Microphone Support