● Black and treble played a neat design! 

Speaker unit Units: 
* Types: open 
* Driver Size: 14.8 mm 
Cable: 
* Length: 1 m 
Plug: 
* Diameter: 3.5 mm 
Standard: 
* Maximum input: 40 mW 
* Sensitivity: 104 dB / mW 
* Resistance: 17 Ω 
* Frequency range: 20 ~ 20,000 KHz 
Color: Black