Features: 1.With all-copper conductors, it has good conductivity and faster charging. 2.Built?in PD?inducing chip converts PD power to the notebook power connector of the for Lenovo series square interface. 3.Applicable to for Lenovo Thinkpad X300S/X301S/X230S/S230U/S3/S5/X240/X240S/T440/T440P/T440S/T431/L440/L540/T540P/E431/E531 and other series of square interface notebook computers. 4.Made of high quality mateials, it is durable and safe to use. 5.Small size and light weight, it is easy to carry around with you. specification:Product Length: About 15cm / 5.9in Input Interface: Type-C Female Output Voltage: 20V Output Power: PD60W Output Interface: For Thinkpad Square Mouth Interface Output Interface Size: 11mm x 4.5mm PackageList:Adapter Cable x 1 NotePD power supply, the input device power is larger than the load power, for example, the original power supply 20V3.25A, the power is 65w, then it is better to use the 65W power supply for the PD device. Avoid shortening the life of the PD power supply due to insufficient power supply or too much power load. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.