Pulse sensing device

A pulse sensing device comprising:

• a main body comprising at least a pair of sensors, a power source, a power connector, a processor, at least one light source electrically coupled to the at least a pair of sensors, the at least a pair of sensors being configured to detect a pulse, and a divider configured to separate the power source from the power connector,
• wherein the processor is configured to detect the pulse and cause the at least one light source to emit at least a first output and a second output,
• wherein the first output and the second output correspond to a frequency of the pulse,
• wherein the first output corresponds to a first frequency of the pulse, and
• wherein the second output corresponds to a second frequency of the pulse;
• a casing surrounding the main body;
• and
• an adhesive layer located on a surface of the casing.