Where are the original headphones? Does the non-original earphone damage the mobile phone?

1. The biggest advantage of original headphones is that they don't worry about compatibility. The headset standard is not compatible with mobile phones, and the wire control and microphone functions cannot be used. \x0d\ 2。 Non-original headphones are harmless to the mobile phone. Don't unplug too much during use, and don't curl the ear cord at will. \x0d\ 3。 Headphones are divided into two standards: OMTP standard is usually called national standard and CTIA is called international standard. The difference between them lies in the reverse order of GND and MIC in the last two paragraphs of the plug. \x0d\ 4。 CTIA headphones are compatible with OMTP devices. When CTIA headphones are plugged into OMTP equipment, the sound will become smaller and distorted. After pressing the microphone key, the sound will be restored, which can identify that the device is OMTP standard.