Plug diameter: 3.5 mm

Plug: 3.5*4(Φ mm)

Wire length: 1.2 (m)

Horn diameter: 13.6 (Φ mm)

Sensitivity: 118±3DB

Frequency response range: 20-20 k (Hz)

Impedance: 16 ± 15% (Ω)

Drive unit: 6 U moving coil type

4 in 1 feature:mic,control music and video palyback,answer and end call,control the vocice. 

compatible with:iphone 6 ,samsung 4,samsung 6