Specifications:

Type: In-ear Impedance: 24Ω Coil
Material: Copper-clad aluminum
Diaphragm: Aryphan Polyarylate Weight: 14g
Wire Core Material: Enamelled copper wire
Driver Unit: 9mm dynamic
Cable Length: 1.25m
Total Harmonic Distortion (THD): <1% (1000Hz, 1mW)
In-line remote: Yes
Sound Pressure Level (SPL): 107dB
Rated Power: 3mW
Connector: 3.5mm jack (Straight)
Frequency Range: 20 - 20,000Hz

What is in the Box:
1 X OnePlus Bullet V2