Speaker impedence 16 ohms, Weight 12 grams, Cable length 1.2 m, Wire core material enamelled copper wire, Headphone sensitivity 93dB,  Plug Type - 3.5mm gold-plated, Comes with Classic Gift level packaging Environmental pulp packaging, and three replaceable S/M/L

Speaker impedence 16 ohms, Weight 12 grams, Cable length 1.2 m, Wire core material enamelled copper wire, Headphone sensitivity 93dB,  Plug Type - 3.5mm gold-plated, Comes with Classic Gift level packaging Environmental pulp packaging, and three replaceable S/M/L tips Aluminum sound chamber forming diamond cutting knife, Beryllium diaphragm, New double damping system for more pure balanced sound, Kevlar fiber cable, with TPE ends, Pacifier grade silicon tips Type: In-Ear Cable: 100% Copper Speaker Impedance: 16ohm Product weight: 10g Cable Length: 1.2m Sensitivity: 93dB Plug type: 3.5mm Nickel Plated Rated Power: 3mW Max Power Accepted: 20mW Frequency Response Range: 20 – 20,000Hz Compatible with mainstream Android phones