User's Manual

50 Health/Safety/Warranty Guide Coolpad TATTOO
you may not be able to use a rated phone successfully. Trying out the phone with your hearing
device is the best way to evaluate it for your personal needs.
This phone has been tested and rated for use with hearing aids for some of the wireless
technologies that it uses. However, there may be some newer wireless technologies used in this
phone that have not been tested yet for use with hearing aids. It is important to try the different
features of this phone thoroughly and in different locations, using your hearing aid or cochlear
implant, to determine if you hear any interfering noise. Consult your service provider or the
manufacturer of this phone for information on hearing aid compatibility. If you have questions
about return or exchange policies, consult your service provider or phone retailer.
M-Ratings: Phones rated M3 or M4 meet FCC requirements and are likely to generate less
interference to hearing devices than phones that are not labeled. M4 is the better/higher of the
two ratings.
T-Ratings: Phones rated T3 or T4 meet FCC requirements and are likely to be more usable with
a hearing device’s telecoil (“T Switch” or “Telephone Switch”) than unrated phones. T4 is the