Audio adapter UGREEN 3.5mm male to 2.5mm female, gold-plated, model UGREEN/20502

Compact UGREEN adapter converting a 3.5mm male plug to a 2.5mm female jack. The adapter features gold-plated contacts for reliable signal transfer and improved corrosion resistance. Its small, lightweight construction is suitable for carrying in a bag or pocket and enables quick connection between headphones, audio cables and portable devices that use different jack sizes.

Advantages

The gold-plated contacts reduce contact resistance and help maintain clear audio with minimal signal loss. The compact form factor and robust housing provide simple, space-saving connectivity without adding significant weight. The adapter supports universal mechanical compatibility between 3.5mm outputs and 2.5mm inputs, enabling use with a variety of consumer audio equipment.

Suitable for

• Connecting 3.5mm output devices to 2.5mm headphones or audio inputs
• Adapters for portable audio players and older or specialist headsets
• Travel and on-the-go audio setups where space and weight matter
• Temporary connections in home or office audio arrangements

Key specifications

• Connector type: 3.5mm male to 2.5mm female
• Contact finish: gold-plated contacts for improved conductivity
• Compatibility: passive analog audio signals (stereo where supported)
• Housing: compact durable construction for portable use
• Weight: very light, pocket-friendly

How to use

Insert the 3.5mm male plug into the source device's 3.5mm output jack, then plug the 2.5mm headphone or cable into the adapter's 2.5mm female socket. Ensure both connections are fully seated to maintain proper contact and reduce intermittent audio. For stereo operation, confirm that the connected headset or cable supports stereo on the 2.5mm connector if required.

Usage recommendations

Use the adapter for passive audio connections only; avoid applying excessive force when inserting or removing plugs and store the adapter in a protective pocket or pouch to prevent dust and mechanical damage. If you notice crackling or intermittent sound, check for debris on the connectors and reseat the plugs.