Mobile phone headset adapter 2.5mm to 3.5mm adapter 2.5 revolution 3.5 female small to large plug

Product Name: 2.5mm male to 3.5mm female mobile phone headset adapter
Product use: Through this adapter, the 3.5mm interface earphone can be used on the mobile phone with 2.5mm headphone port. Excellent workmanship and perfect output sound quality.
Product advantages: sound quality fidelity transmission, plug and play, easy to use.
Product plug: audio 2.5mm male audio 3.5mm female
Commonly used products: 2.5 to 3.5 adapter, 2.5 audio adapter, headphone conversion plug, mobile phone headphone converter, headphone converter
Special reminder: This paragraph is used for 3.5mm interface headphones. This adapter is not a universal adapter, just an audio conversion of the audio size header. The US standard is transferred to the national standard, and the national standard is transferred to the US standard. This type of adapter is not applicable. 
Product Applicable Product Model: Nokia E51 E66 E71 E90 3600S 5000 5610 5700 6110N 6120C 6122C 6210N 6500S 7210C
Please note: 
 The 2.5mm headphone wiring sequence is mostly national standard, and most 3.5mm mobile phones are American standard. So it may take two conversions to work together, (that is, you need a 3.5 US standard to national standard line) a conversion standard, a conversion interface size.