Features:

• Compact, lightweight and portable, this Nokia extra power backup charger is an ideal solution for travelers! 
• Simply insert charger adapter and charge your phone anywhere you go.
• This charger lets you charge your device's battery while it is getting discharged.  
• With the extra power backup charger you can charge your device with ease anytime and anywhere.  
• Comes with 2 different connectors for charge your two devices at the same time.
• The charging adapter compatible with a Nokia 2 mm or micro USB charging interface.

Specifications:

• Model: Nokia Extra Power DC-11 Backup Charger
• Dimensions: 113 L x 56 W x 11 T mm
• Charging Cable Length: 113 mm.
• Charging Connectors:
• Nokia 2.0 mm charging connector 
• microUSB charging connector
• Operating temperature: 0°C to 40°C
• Weight: 94g
• Manufacturer: Nokia.
• Manufacturer Part No: DC-11

Note:

• It requires a travel charger (AC-4U, AC-5U or AC-8U) or car charger (DC-4).