Features 1Adopts penetrating heart rate sensor with high precision and fast induction. 2You can use the receiver to connect to for iOS/Android phones (not including the receiver). 3Cardio ear clip heart rate pulse sensor for heart rate monitoring on cardio fitness equipment. 4With sensor, the clip can be directly connected to sports machines, such as steppers, treadmills, etc. 5Small in size and light in weight, it is easy to carry and store, very convenient to use. Item Type: Ear Clip Pulse Monitor Material: ABS Product Color: Black Cable Length: Approx. 1300mm / 51.2in Product Weight: Approx. 11g / 0.4oz Function: Penetrating heart rate sensor, high precision and fast induction. Package List 1 x Ear Clip Pulse Monitor