Located on the Base front, and where the open dots (grill) are.
Base LED / indicator
Located on the Base front, in the center of the Base Speaker.
Located on the Base back, between the serial number sticker and the charging cable port
Base Charging Port
Located on the back of the base
Base Product Label
Located in the center on the back of the Base. Has the model number, QR code and serial number.
QR code is in the top right
Serial number is 12 hexadecimal digits total, divided over 2 lines, located under the QR code
Button top cap and LED
Top cap is translucent and lights up in blue when pressed
Button Link button
Located on the back of the Button, it's in a small hole and is activated with the pin-tool
pin-tool is included in the button manual
Button Serial Number
4 digit serial number of the button is etched on the back of the button (Hexadecimal number)
Button Batch Code
Manufacturing batch code is located on the back bottom left
Button Battery compartment
Button battery compartment can be opened with a small philips screwdriver
Battery is CR2430, + side has to face out when installing
Battery interrupter tab has to be removed before use