The Coloud in-ear Active Designer Headphones
Includes S, M, and L replacement silicone caps for a custom fit
Model: C19M
Driver Unit: 9 mm Handmade Drivers
Frequency Range: 20.0 Hz~20.0 kHz
Impedance: 16 ohms at 1 kHz
Sensitivity: 107 dB
Max input power: 5 mW
Plug Size: 3.5 mm
Microphone type: Unidirectional electret
Size: S, M, L silicone ear caps