ADC’sMiniature Telephone is designed for portability and convenience used with Magic Jack or Skype. Magic Jack has revolutionized VOIP and anyone can now communicate anywhere in the world just by plugging this device to any laptop or regular computer, attaching a corded telephoneand calling landlines or cell phones in theUSA, Canada and Puerto Rico for free.People travelling find it most convenient in havingADC’s Miniature Telephone as it is small and handy. One can attach it to a laptop,minimize the use of one’scell phone, talking all you want and getting a clearer and sharper signal. Having ADC’s Miniature Telephone and Magic Jack is a convenient and economical alternate to your cell phone or landline use at home, at work, in the field or traveling anywhere locally or internationally.