Aluminum Alloy  Earphones

Max. 650 kJ Bass

Stereo Feeling

Airtight Invisible type  : Length 20mm (Earphone)

The airtight Alloy sphericity type Earphone design  ,  reduce sound Energy Lose  and  concentrate sound on Earphone .

Driverunits:13mm dia,dome type

power handling capacity:0.15W

impedance:35 ohms at 1 KHz

sensitivity:  109db/mW/frequency range: 10-29,000 Hz

Plugs :  3.5mm