Genuine Microsoft Surface Book charger, ac adapter model 1706 and is identical to the picture shown, this model has the magnetic snap on connector to charge your 65w tablet as well as a USB 2.0 port, that you can charge a whole host of different USB accessories you may own and this charger is capable of charging and powering your mobile devices
 
Genuine Microsoft Surface Book charger specification:
Power output: 15v 4a
Power input 100-240v
Connector type: Magnetic snap in connector
USB 2.0 connection: Yes 1x USB 2.0 port
USB Output: 5v 1a
Total power: 65w
Contents: Microsoft Surface Book charger & standard mains lead power cable.
Microsoft model: 1706
P/n: Ktc hu10042-15082

• Key points of the Genuine Microsoft Surface Book charger
• Fits Microsoft Surface Book
• Free Mains power cable cord
• UK supplier with Uk stock
• USB 2.0 also on charging unit
• Original 65w Surface book charger

A standard mains cable power lead cord is included with your Microsoft Surface Book charger, so you can charge your Surface tablet straight away. If you order from outside the UK we will send your countries correct power cord.

Also works with the Microsoft surface Pro 4