HiFi dynamic & balanced armature hybrid earphone SE30 is made by full metal physical, 7.8MM Dynamic driver unites with Balanced Armature driver, make voice zone wider, space sense stronger, people voice clearer and abundant details. It is a high-class audio output device for HiFi player, mobile and MP3.

• Product Features
• Speaker Impedance:16Ω±10%
• Speaker sensibility:110dB±2dB
• Speaker rated power: 2mW
• Speaker max power: 5mW
• Speaker frequency response Curve: 20-20KHZ
•  L and R channel balance: ≤2dB
• Mic frequency range: 50-12000KHz
• Mic noise ratio: ≥58dB
• Mic Sensibility: (1KHz):-42±3dB 
• Hardware 
• Color: Silver oxide + gold
• Case: Aluminum alloy
• Eartips: Bullet shape silicon earbud, 3sets: L,M,S
• Mic controller: Compatible for Iphones, Android phones
• Cable
• Round cable: knitted cable, main cable OD 2.0MM. Sub-cable:OD 1.55MM.
• Length 1.2M.,  4core copper oxide cable, 3.5MM gold plated plug
• Armature driver: Single armature driver
• Dynamic driver: ￠7.8MM dynamic driver