Speaker unit Units: 
* Type: ear type (canal) 
* Type: Dynamic (diaphragm) 
* Driver Size: 9.3 mm 
Cable: 
* Length: 1.2 m 
* Form: symmetry (Y type) 
Plug: 
* Mode: L-shaped 
* Diameter: 3.5 mm 
Standard: 
* Maximum input: 50 mW 
* Sensitivity: 99 dB / mW 
* Resistance: 16 Ω 
* Frequency range: 20 ~ 20,000 Hz