Features:
Detachable cable, you can easily change or replace the earphone cable.
With removable 0.75mm gold-plated 2pin plug, better than 1pin. 
Standard 3.5mm jack for compatibility with almost all music devices. 
Ergonomic in-ear earphone, comfortable to wear. Portable and lightweight, easy to carry.
30095 highly-resolving custom balance armature drivers, giving the most natural sound you have ever experienced.
Specifications:
Brand: TRN
Model: ST1
Earphone type: In-ear
Impedence: 18Ω
Earphone sensitivity: 106dB/mW
Frequency range: 10-40000Hz
Interface: 3.5mm Gilded
Plug Type: L curved
Cable Length: 1.2m
Whether with mic: Optional
Color: Black, Blue, Purple optional
Whether with cable: Yes
Earphone interface: 2 Pin Interface
Whether can replacement cable: Yes
Driver unit: 1DD+1BA hybrid driver unit
Package Size: 18 * 15 * 3.5cm / 11.2 * 3.3* 1.4in
Package Weight: 80g / 2.8oz
Package List:
1 * Pair of Headphones
1 * User Manual(English)