Specification:
Model: JM26 Headphones
Style: Resistance to pull classic fashion appearance
Type: In-Ear Only
Impedance: 16 ± 15%
Sensitivity: 101 dB ± 3dB
Driver Size:10mm
Frequency Range: 20Hz-20000Hz
Plug-Type: 3.5mm Gold-plated
Cable Length:1.20m
Other Function: With Mic and Play Control
Package Include:
1x JM26 Headphones

Features
One-touch Wire & Fully Compatible
- Built-in high-definition microphone. Call listen to music button to get, easy to use.
Resistant To Difficult To Winding Noodles
- TPE elastic wire, not winding does not knot, reduce the headset caused by winding troubles.
High-strength Pure Copper Voice Coil
- Enhance the transient response of the headset to extend the life of the voice unit.
Wear Comfortable & Natural
- Comfortable soft silicone, effectively isolated noise, strong bass protection effect.

About
Q: Can we use these to phone call?
A:Yes, they have Built-in mic on the wire and it works great.
Q: What devices it is compatible with?
A:The Headphones compatible with kinds of Media Devices which have 3.5mm Jack as Smartphone | MP3/MP4 Player | Portable Music Player
(Remote control can't work for some MP3/MP4 Player)
Q: Does it work for Hifi Music?
A:Yes,with High Quality Driver and Suitable Sound Chamber, it has good sound performance.
Q: What is the remote for?
A: The remote answers phone calls for the Phone. It can pause/play/skip for music.

If interested, don't hesitate to have a try.