Heavy. has certain advantages: Batteries. Focus on details that others overlook. They may be re-charged. They're also quite well made; in fact, they're probably 99 percent better made than anything you could buy yourself. Keep in mind that a fully charged rechargeable alkaline battery is easier to recharge from a partially discharged state. It is recommended that it be charged to 75% of its full potential. Even so, remember to switch off the keyboard when you're done using it for the day. She has a four-year lifespan without needing a recharge. There are some drawbacks, such as the use of stickers rather than UV printing and the fact that the letters are too small to work with comfortably. When many layouts are created using the same hue, it makes it more difficult for employees who are not touch-typists to focus on their task. It is suggested that something more substantial, bold, and contrasted be affixed over the current typeface.