Color: As shown Material: PC Operational Amplifier Decoupling Socket Upgrade Socket Operational Amplifier Base for Audio Opamp Used for Audio Single Operational Amplifier Function Principle: Effectively Suppress Power Supply Noise Interference, Improve Power Supply Purity and Stability Improved effect: The sound background is cleaner, reducing sharpness and noiseiness, making the sound smoother and more pleasant to listen to [Craftsmanship] Premium FR4 Thickened Immersion Gold Baseplate, Reasonable Capacitor Layout to Avoid Risks of Electrical Failure Due to Overcrowding, Proper Soldering Temperature and Time, Clean and Neat Solder Joints, Avoid Long-Time Soldering Damage to Capacitors Color: As Shown Material: PC+Metal Package Contents: 1* Decoupling Socket Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.