Cell phone recorders are also digital telephone recorders. They do not contain a cassette player and instead contain include a flash chip. This flash chip is designed to store phone conversations that may be reviewed at a later time. They are quite petite in size and typically weight around two ounces, if not less. They are ideal for business persons on that are constantly on the go. Most cell phone recorders can also be used to record discussion on pay phone, home phones, or business lines. They are extremely versatile which makes them a popular choice for business professionals, secretaries, lawyers, and the general public.