Are you looking for a professional, yet affordable heart rate ear clip? Are you in search of a sturdy, trustworthy tool that can do multiple jobs at once? If yes, look no further Our professional heart rate ear clip must meet you needs. It is one of the best choices for you.Features- Color: Black.- Material: ABS.- Size: 11 x 7.5 x 0.5 cm/4.3 x 3 x 0.2 inch.- Ear clip cardio fitness heart rate sensor.- Penetrating heart rate sensing, high precision and fast sensing.- Cardio ear clip heart rate pulse sensor for cardio fitness equipment accessories heart rate monitoring.- Connection to cellphones with receiver (receiver not included).- Connected to sports equipment: stepper, treadmill, etc.Packing list: 1 x Heart Rate Ear Clip