【HIFI Sound Quality】ZNT R669-A will deliver deep bass and crystal clear acoustics from 9mm High Definition speaker driver. High powered dynamic speaker systems for an outstanding audio performance.
【Half in-Ear Wear Design】Human engineering Half in-Ear Design, never feel ear pain after long time enjoying music.
【Strong TPE Wire】earphone wire made of Super Strong customized special TPE Material, cable length 1.2 Meters.
【Wide Compatibility】perfectly compatible with all the Device with Standard Audio Port.
【For Listening Music】：
1）Top Button: + Volume Up
2）Bottom Button：- Volume Down
3）Mid Button: 。
Press 1 time: Pause/Play
Continuously Press 2 times: Next Song
Continuously Press 3 times: Last Song
【For Phone Call】：
Begin talk--press Mid Button 1 time
End talk--press Mid Button 1 time
Refuse talk--Continuously Press Mid Button 2 times
Wire Material: Strong TPE
Cable Length: 1.2 M
Frequency Response: 20 Hz -20 kHz
Weight: 12 grams (0.42 ounces)
Impedance: 16 ohms
Sensitivity: 110 dB (at 1kHz 1mW)
Rated Input Power: 2mW
Speaker Driver: dynamic, 10mm neodymium rare-earth magnet
Cable diameter: 2mm optimal for sport
Plug: 24k gold-plated, straight 3.5mm (1/8”) stereo plug
Suitable Device：all Android / iOS device
1x Wired Earphone