Specification:
<br />Product Name: Wood In-Ear Headphone
<br />Brand: VJJB K4S
<br />Type: In-ear
<br />Power: 5 mW
<br />Driver unit: 8.7 mm
<br />Impedance: 16 
<br />Frequency range: 20Hz-24 KHz
<br />Headphone sensitivity:96dB / mW
<br />Interface: 3.5mm
<br />JACK plug type: Straight Hole
<br />Cable Length: 1.2m±5cm
<br />Weight: 15g
<br />Material : Solid Wood
<br />Color: Cherry Wood / Ebony / Brasil Wood
<br />With Mic and remote : Optional
<br />
<br />Microphone:
<br />Design: internal microphone
<br />Type: electret condenser
<br />Voltage rating: -40dB
<br />Frequency Range:20-24KHz