Sell 3D Digital Earphone

3D Digital Earphone You May Also Be Interested In: digital earphone
Full open dynamic earphone
* Hi-Fi nature sound
* True digital earphone
* Spatial surround sound
* Soft, thin and comfort
* Painless long time listening

Frequency: 20~20,000Hz
Output SPL: 114 dB
Impedance: 32(Ohms)

Patent No. :
ZL:01201184.3
ZL:01278410.9
200330116662.8