Come and see our amazing products! Heart rate monitor chest strap is integrated with Bluetooth and ANT+ technology. You can also use Bluetooth and ANT+ connections simultaneously.Exact monitoring of your training heart rate and calorie consumption in real-time, more accurate than optical heart rate monitor. The real-time data can also help you take your performance to the next level by showing where or what you can improve.The ant heart rate monitor is made of fabric, more comfortable to wear, and does not slip when moving, a fully adjustable chest strap can be adjusted. Offer you a good fitness experience. Pls confirm with us about the packing info, stock color and exact production time before placing your order