InLine Audio Headset Adapter Cable 3.5mm male 4 Pin / 2x 3.5mm, white, 0.15m

The InLine Audio Headset Adapter Cable InLine 99302W converts a single 4‑pole 3.5 mm audio socket into separate headset connectors, enabling conventional computer headsets with separate microphone and headphone plugs to be used with smartphones, laptops and other devices that use a 4‑pin audio jack. The adapter follows the pin assignment used by many Apple devices (iPod Touch 2G, iPhone 3G/3GS/4/4S/5 and later), MacBook Pro/Air, some HTC smartphones and select Lenovo and Dell notebooks.

Advantages

This compact 0.15 m adapter cable features gold‑plated contacts for improved signal transfer and reduced corrosion. Its white housing and slim design make it unobtrusive when connected to mobile devices. The cable provides a reliable wired connection to maintain headset microphone and stereo audio functionality on devices with a combined 4‑pole jack.

Suitable for

• Connecting headsets with separate headphone and microphone plugs to smartphones with a 4‑pole 3.5 mm jack
• Using computer headsets with laptops that provide a combined audio/microphone port
• Adapting conventional headsets for use with MacBook and supported Android phones

Key specifications

• Cable length: 0.15 m
• Connector 1: 3.5 mm male (4‑pole)
• Connector 2: 2 × 3.5 mm female (separate headphone and microphone)
• Contacts: gold‑plated
• Colour: White
• Brand / MPN: InLine 99302W
• EAN: 4043718205851

How to use

Insert the 3.5 mm male plug of the adapter into the device’s combined audio/microphone jack. Connect your headset’s separate 3.5 mm headphone and microphone plugs to the corresponding female sockets on the adapter. Once connected, select the external headset as the audio input/output on your device if required.

Recommendations

For best results, ensure the plugs are fully inserted and compatible with the device’s TRRS pinout (CTIA/AHJ). If audio or microphone functionality is not detected, check the device settings and consult the device manufacturer for supported pin assignments.