Here's the complete circuit board, which is not held inside the shell in any way, so if it breaks open, the guts fall out completely.
Caption by: Adrian Kingsley-Hughes
Peeling back the battery
The battery is stuck down onto the circuit board using a sticky pad.
Caption by: Adrian Kingsley-Hughes
Close up of the board
Here is a close up of the chips underneath the battery.
Caption by: Adrian Kingsley-Hughes
The battery
The battery is a 35mAh 3.7W lithium polymer pack
Caption by: Adrian Kingsley-Hughes
Top of the circuit board
On the top of the chip is the main tactile button and a NXP QN9021 Bluetooth LE chip.
Caption by: Adrian Kingsley-Hughes
Bluetooth antenna
If you look closely you can see the track for the Bluetooth antenna between the chip and the battery.
Caption by: Adrian Kingsley-Hughes
Water test
The circuit board survived a quick dunk in water, but the long term durability with regards to water or more aggressive liquids such as sweat or seawater doesn't seem good.
I'm
usually
wary
of
security
apps,
but
iVerify
by
Trail
of
Bits
is
different.
It
comes
highly
recommended
and
offers
a
lot
of
features
in
a
small
download.
...
The
Netgear
BR200
Insight
Managed
Business
Router
has
been
designed
to
be
easy
to
set
up,
and
features
a
built-in
firewall,
VLAN
management,
and
remote
cloud
monitoring,
and
can
be
...
The
YubiKey
5C
NFC
can
be
used
across
a
broad
range
of
platforms
--
iOS,
Android,
Windows,
macOS
and
Linux
--
and
on
any
mobile
device,
laptop,
or
desktop
computer
that
supports
USB-C
...
The
new
Aegis
Secure
Key
3NXC
builds
on
Apricorn's
Secure
Key
3z
and
Aegis
Secure
Key
3NX,
taking
the
same
proven
form-factor
and
physical
keypad,
and
adding
something
that
users
have
...
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