ASSETS: Small device slips over either ear (with trademark comfort gel) and includes Bluetooth adapter for use with various types of phones.
LIABILITIES: First-adopter status comes with a high price tag.
BOTTOM LINE: Pricey, but for heavy mobile-phone users, worth it for hands-free convenience and safety.
CELLBOOST INSTANT BATTERY POWER, $10
ASSETS: Weighing in at less than an ounce and providing 60 minutes of back-up talk time, this little gem was a godsend during the 2003 blackout in New York.
LIABILITIES: Throwaway batteries stack up in landfills.
BOTTOM LINE: Although impractical as a long-term source of
alternate power, a very reasonable price for emergency use.
KIT SOFTWARE AND CABLE, $80
ASSETS: Easy data
wireless phone and PC
via simple software and
LIABILITIES: Supports only the most popular handsets.
BOTTOM LINE: Handy way to transfer data, especially with new telephone-number portability.