In-ear earphone
* The Built-in LED Lights will flashes follow to the Music or melody
* 3 kind of LED color can meet your different demands(White/Green/Blue)
* The high quality driver unit with clean treble and solid bass
* The large capacity batteries support the LED flash over long time.
* The 3.5mm Plug, suit for a kind of MP3, PC and some Mobile interface.

Impedance: 32+/-10%
Driver unit: 16mm
Sensitivity: 118dB ± 3 at 1kHz
Batteries: 2PCS *AG5 large capacity batteries
Plug: 3.5mm