AAOTOKK 3.5mm Headphone Adapter 4-Pole 3.5mm Male to 2.5mm Female Jack Stereo Audio Converter Metal Shell for Headset, Audio Earphone, Microphone (2 Pack-2.5 to 3.5mm F/M)

• Quantity:(2-Pack) Size:Length, width(3.4cm*0.6cm) Material:plastic+aluminum alloy shell. Color:(Silver)
• Connectors 1 : 4-Pole 3.5 mm male audio (OMTP ) standard jack.Connectors 2 :4-Pole 2.5 mm female audio OMTP ) standard jack.
• This adapter compatible for all type of no mic function earphone. If your earphone/headphone with Mic Function,please check it is OMTP Standard Jack or CTIA Standard Jack, as this adapter only suit for OMTP Standard Jack Earphone but not compatible for the CTIA Standard Jack Earphone
• 3.5mm male to 2.5mm female audio adapter, Providing stereoscopic audio transmission, Convert your electronic devices.you to use your favorite 2.5mm earphone headset on some 3.5mm Mobile Phone PDA, IPAQ, MP3, MP4 player or audio / video player device.
• 3.5mm to 2.5mm connector: Plug and play,Durable: aluminum alloy shell for anti-scratch, rust free, provides an ultimate durability（Note: There is a certain color difference between the color and the actual product on the picture. The color of the product is silver.）

Description Quantity:(2-Pack) Size:Length, width(3.4cm*0.6cm) Material:plastic+aluminum alloy shell. Color:(Silver) Connectors 1 : 4-Pole 3.5mm male audio (OMTP ) standard jack. Connectors 2 :4-Pole 2.5mm female audio OMTP ) standard jack. This adapter compatible for all type of no mic function earphone. If your earphone/headphone with Mic Function,please check it is OMTP Standard Jack or CTIA Standard Jack, as this adapter only suit for OMTP Standard Jack Earphone but not compatible for the CTIA Standard Jack Earphone The difference of OMTP Standard Jack or CTIA Standard Jack Earphone/Headphone: 1.The 4 poles connection sequence of OMTP Standard Jack earphone is : Left Channel, Right Channel,Mic, Earth Wire 2.The 4 poles connection sequence of CTIA Standard Jack earphone is: Left Channel, Right Channel, Earth Wire,Mic So please double check the standard of your earphone/headphone is OMTP Standard Jack or CTIA Standard Jack before purchase this adapter. if your earphone with no Mic function, then no worries, it will suit well. 2.5mm to 3.5mm connector: Plug and play,Durable: aluminum alloy shell for anti-scratch, rust free, provides an ultimate durability.