Just put your finger on the machine, press the operation button, and wait. after a few seconds, you will know the spo2 level and pulse rate accurately.
the operation is simple and one-button start. get rid of tedious operation steps.
shop at; off lithuli avenue along gaborone road right opp nairobi textile-you will see an entrance mikken spare parts next to a galaxy studio painted in yellow... abbey house house shop no.8-trendy gadgets