Type-ear: In-ear Wire functions:Yes Color: Silver Core material: Kevlar wire Speaker Impedance: 32Ω Weight: 14g Cable length: 1.25m Headphone Sensitivity: 101dB Plug type: 3.5mm The maximum practical power: 5mW Standard: GB/T-14471-2013 Frequency range: 20-20000Hz Sleeves Size: XS / S / L 1. Compatible with Xiaomi phones. 2. Compatible with Most Android phones (Not All), support play, answer, volume control. 3. Compatible with IOS phones, support play, answer, not support volume control.