'The menu can be a little cumbersome to navigate,'
'Interestingly, the rechargeable lithium-ion battery takes two hours for normal charging and six-and-a-half hours for slow charging to give ~22 hours of battery life.'
'The menu can be a little cumbersome to navigate, even seeming a bit counterintuitive at times, but with the help of the instruction manual and a slight learning curve, it's not a concern--but maybe an annoyance to some users.'
'The 2.9- by 1.4- by 0.8-inch (HWD), 1.4-ounce F1 resembles a shiny black MatchBox Ferrari-style car.'
