Features: 6.0x3.7 female to DC adapter connector is made of durable metal material, and the adapter shell- is made of PVC, which can charge stably when connecting different devices, effectively preventing overvoltage or overcurrent. Compatibility: This universal DC plug is widely compatible with-Laptop/Tablet/Mini Fan/Router-/Video recorder/Bluetooth-compatible speaker/Scanner etc DC plug connector various as pictures Easy to use, plug-play. (Note: Please check and confirm the interface type of the device you need to charge before ordering.) The output power of PD- charger should be no less than what your device needs. Specifications: Item: 6.0x3.7 Female to DC- Plugs Size:Standard DC Type(Optional)：as pictures Quantity：1PC Package Includes: 1PC 6.0x3.7 Female to DC- Plug note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-2mm error due to manual measurment.