iriver IDP-1000E Dynamic Sound Earphone Open type Headphone Twist Free

• Model Name: IDP-1000E
• Type: Basic open type dynamic stereo earphones
• Drive unit size: 15.0 mm
• Impedance: 16Ω
• Sensitivity: 101±3dB / mW
• Frequency range: 10 ~ 22,000 Hz
• Max. PowerInput: 20 mW
• Cord: 1.2 m flat cable, Y type 
• Plug: 3.5 mm stereo mini plug