TinHiFi P1 Plus In-Ear Headphones (Open Box) no-rewards Operating Temperature 0℃ ~ +

Operating Temperature  0℃ ~ + 40℃ (32℉~ 104℉)

Output impedance: 75 Ohm

Output class：Class2

and advanced output switching enables the user to select speaker or headphone output effortlessly

Impedance 24Ω (@1kHz)

TinHiFi P1 Plus In-Ear Headphones (Open Box) no-rewards Operating Temperature 0℃ ~ +The Upgraded TINHIFI P1 PLUS Planar Diaphragm Earphone On the basis of the flagship P1 earphone, the magnetic circuit system of P1 Plus is upgraded to a double sided symmetrical array magnetic circuit combination. A total of 14 magnets on both sides of the film are evenly distributed, so that the force on the diaphragm is more horizontal and uniform, and the vibration frequency of the diaphragm is higher, so the distortion of the speaker is smaller,