Product Description<br>Material: ABS<br>Sensor size: 59 * 35 * 13.5 mm<br>Adjustable size of chest strap: 65—95 cm<br>Heart rate interval: 30—240 bmp<br>Waterproof level: IP67<br>Transmission technology: Bluetooth, ANT+<br>Battery life: 300 hours<br>Colour: Black<br>Quantity: 1 pcs<br>Package content: 1 pcs * Heart rate belt<br>1.【COMPATIBLE DEVICES】:Support Bluetooth and ANT+. You can wear the heart rate sensor while cycling and pair it with your bike computer.It can also connect it to your sport watch, cycling platform and sports APP.<br>2.【MULTI-SCENE APPLICATION】: The heart rate monitor chest strap helps you track and capture real time and accurate heart rate to maximize your workouts when rowing, cycling, running, training indoors.<br>3.【COMFORTABLE TO WEAR】: This chest strap is made of skin-friendly materials, which is more comfortable to wear and does not slip when moving. The fully adjustable chest strap can be 65cm to 95 cm. Provide you with a great fitness experience.<br>4.【LONG BATTERY LIFE】: The battery lasts up to 300 hours, with user-replaceable CR2032 battery.<br>5.【TIPS FOR USING】:Moisten the plastic electrode areas of the chest strap before use ,Wear it on your body before pairing it with your device,Connect the device in App, not in phone setting.