This audio jack adapter converts commercially available jack cables with 3.5mm plugs to 6.3mm plugs. So you can easily connect your headphones to audio equipment with a 6.3mm jack, such as a hi-fi system.

• [Durabiluty and reliability] Gold-plated connectors resist corrosion and ensure minimal signal loss. 360-degree grip pedals facilitate easy insertion and removal. Made of solid brass for longer life compared to plastic
• [Wide Application] This 6.35mm to 3.5mm audio adapter is designed to connect your smartphone, tablet, for iPod, MP3 or headphones with standard 3.5mm 1/8" to most professional audio and home audio equipment such as amplifiers, mixer, home theater equipment, amplifier or AV receiver
• Material: copper alloy