Question: He also met and formed a lifelong friendship with MittagLeffler
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Answer: He also met and formed a life-long friendship with Mittag-Leffler .

Question: These vacuum cleaners are generally not equipped with a hose have a small amount of dust lowpower engine and powered by a rechargeable battery
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Answer: These vacuum cleaners are generally not equipped with a hose, have a small amount of dust, low-power engine and powered by a rechargeable battery.

Question: 900 mAh rechargeable battery with button and light blue button stop system that protects against the revolutionary outburst in your pocket press the button battery 5 times in 2 seconds to stop and start the same operation
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Answer: 900 mAh rechargeable battery, with button and light blue button (stop system that protects against the revolutionary outburst in your pocket: press the button battery 5 times in 2 seconds to stop and start the same operation).

Question: One of them is MySPIN a system that integrates iPhones and Android smartphones fully into the vehicle with the phones display appearing on the vehicles main display
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Answer:
One of them is MySPIN, a system that integrates iPhones and Android smartphones fully into the vehicle, with the phone's display appearing on the vehicle's main display.