Specification: Style: In-Ear Brand Name: Xiaomi Compatible: For xiaomi MI2 MI2S MI2A Mi1S M1 Phones and most Android devices, partially compatible on iOS devices Sensitivity: 98dB SPL Speaker impedance:32Ω Frequency response range: 20-20000 HZ Implementation of standards GB / T 14471-2013 Connectors: 3.5mm Communication: Wired Connecting line Length: 1.25M Material: Metal + Silicone + TPE Color: Black Function: Noise Cancelling, Microphone Wire control button function : play/pause, answering/hang up (no volume) Package Including: 1*Original Xiaomi Colorful In-Ear Earphone Ships in 7 business days. It is shipped from China. Delivery is provided by China Post Air Mail. Delivery time depends on the couriers, local customs in your country also holidays, weather conditions. Usually it takes from 39 to 60 days, depending on the customs at your country.