RASIEL Vacumn Tube Sound EarPhone Enjoy Base & Beat Realized Vacumn Tube Sound
Product Specifications
Connecter : dia 3.5 mm
4 pole 24K gold plated L-type plug
Driver : Dynamic driver 10 mm
Sensitivity: 110 +/- 2dB 
Power : 3 mW /20 mW
impedance: 8 ohm +/- 15 %
Frequency : 20 Hz -15 KHz
Weight : 8 g
Accessary: 3 pairs eartip,fabric pouch, clip