DOES THE FREEBIES REALLY WORK???|HUAWEI MATEPAD11.5

So last week i bought this #huawei #matepad11.5 with a lot of FREEBIES including KEYBOARD,M-PEN,BLUETOOTH MOUSE and a BACKPACK.Now i will show you if all the FREEBIES are working.how to connect and how it works. And PLEASE SUBSCRIBE TO MY CHANNEL.THANK YOU!!!!