1. This is the ____ first in the world ______________________ mobile device that uses LTE (Long Term Evolution) technology.
  first in the world
  first world
  world's first

2. You have to ______hook it up____________________ ( = attach it) to a desktop or laptop.
  hook it
  hook it up
  hang it

3. Very thin speakers = _________ Ultra-thin _________________ speakers
  Ultra-skinny
  Ultra-thin
  Ultra-skin

4. This laptop can _________run off_________________ ( = function on) battery power for about 2.5 hours.
  run off
  turn on
  use

5. The new technology really ___________ enhances ________________ ( = improves) the performance of the bass frequencies of these speakers.
  enthrals
  entails
  enhances

6. You can't _____________ beat ______________ the price. = The price is very good (You won't be able to find a better deal).
  beat
  lower
  guess

7. "Mobile ___________4G ________________" refers to high-speed internet access on mobile devices.
  broadband
  interface
  4G

8. HDTV broadcasts are often described as "_______ crystal ___________ clear". ( = absolutely clear; perfect)
  water
  mirror
  crystal

9. This system will provide you with ___________ professional grade ________________ ( = professional level) digital video surveillance for an affordable price.
  good to the last drop
  professional grade
  expert

10. This video surveillance system only takes about 30 minutes to ____________ set up _______________. ( = prepare, assemble)
  set up
  set aside
  dead set

. The keypad is ___________ awkwardly _________ designed ( = not designed very well).
  awkwardly
  astutely
  seamlessly

2. The video still comes in a bit _____________ pixelated _____________. ( = the quality of the video is not very good)
  high-level
  pixelated
  palatable

3. The camera quality still __________ falls behind ________________ the market. ( = is worse than that of its competitors)
  falls flat
  is on
  falls behind

4. Fancy options = ___________ Slack _______________ options
  Slick
  Slack
  Sloping

5. This particular 3G phone is ____________ lightweight ______________. ( = it doesn't weigh a lot)
  light of weight
  soft to the touch
  lightweight

6. This camera has a headset ____________ jack ______________ where you can plug in your headphones.
  compartment
  jack
  area

7. A keyboard that comes out is called a ___________ slide-out _______________ keyboard.
  slide-out
  come-out
  go-out

8. Some companies are developing mobile devices that are more ___________ accessible _______________ to deaf and blind people. ( = cellphones that deaf and blind people can use more easily)
  flexible
  accessible
  open

9. The light sensor automatically adjusts the brightness of the LCD screen to ____________ conserve ______________ ( = save) power and extend battery life.
  constrain
  conserve
  construct

10. The phone is in camera ___________ mode _______________. ( = it is functioning as a camera)
  modus
  modem
  mode