DC 5.5x2.1mm Female Jack to DC 4.0x1.7mm Male Plug Adapter Good conductivity, durable and easy to use. Made of high-quality copper material, durable Ideal for small electronics and devices which use a DC 4.0x1.7mm barrel jack for a power Connectors: DC 5.5x2.1mm Female; DC 4.0x1.7mm Male Suitable for PSP 1000, 2000, 3000, laptop DC adapters, portable power supply and computer maintenance, etc. Feature:
1. DC 5.5x2.1mm Female Jack to DC 4.0x1.7mm Male Plug Adapter
2. Good conductivity, durable and easy to use.
3. Made of high-quality copper material, durable.
4. Ideal for small electronics and devices which use a DC 4.0x1.7mm barrel jack for a power
5. Suitable for PSP 1000, 2000, 3000, laptop DC adapters, portable power supply and computer maintenance, etc.

Specification:
DC 5.5x2.1mm Female Jack to DC 4.0x1.7mm Male Plug Adapter
Connector 1: DC 5.5x2.1mm Female (Hole diameter: 5.5mm, Pin diameter: 2.1mm)
Connector 2: DC 4.0x1.7mm Male (Outer diameter: 4.0mm, Inner diameter: 1.7mm)
Suitable for notebook computer DC adapters, portable power supplies and computer maintenance, etc.

Package included:
1 x DC 5.5x2.1mm Female Jack to DC 4.0x1.7mm Male Plug Adapter