To listen to Mr. Kurzweil or read his several books (the latest: "How to Create a Mind") is to be flummoxed by a series of forecasts that hardly seem realizable in the next 40 years.
Although no fancy connectivity options like WiFi or Bluetooth are found here, Holux claims "8 to 10" hours of realizable battery life from the rechargeable 2600 mAh Li-ion cell, which would be fairly impressive if it refrains from erupting in your hand.