Earphone:

• Ear hook: OGS hanger
• Driver:Ø18mm, Neodynamic
• Sensitivity:97±3dB
• Impedance:32Ω
• Freq Response：20~20kHz
• Wire：60cm OFC cable wrapped within TPE/Kevler
• Balance switch：L/R analog switches

Amplifier:

• Max Output: up to 30dB
• Battery: 600mA lithium cells
• Indicator: LED backlight, green/orange
• Power: on-off switch
• Enhancement: feedback and noise cancelations
• Volume:analog switch
• Jack: Femal, Mini USB*1

Accessory:

• Mini USB to 4-pole Ø3.5mm plug cable*1
• Mini USB to USB*1