IDARLIN NFC Intelligent Finger Ring Multifunction Wireless Monitor (Size 6#)

• The smart
  ring is a fashionable and wearable electronic product that is able to
  connect with a smartphone through Near Field Communication (NFC) to
  perform complete function and share data. designed with level water
  resistance, it is possible without any power supply. Embedded with NFC
  chip, it can only be connected to a smartphone with NFC function.

Detailed operations:

• Insert
  the smart ring within the NFC area to run a smartphone: screen unlock,
  unlock app lock, app quickly launch, name card and send URL information
  and read, etc.

Instructions for use:

• 1.
  Check if your smartphone has NFC function. it can usually be found in
  the system settings. If no relevant options are found, contact the
  manufacturer post-buy support, or search on Google if the smartphone
  model has NFC function and confirm its NFC area.
• 2. If your
  smartphone has NFC function, turn on the NFC switch, search your app
  store for the software that apply NFC, download and install them.
• 3. Start the NFC APP, actions according to the instructions.
• 4.
  Since NFC is a near field communication technology, make sure to place
  the top side of the ring chip right close to the NFC area when reading
  any data to avoid the failure in reading and writing.