Heart Rate Monitor Armband USB Waterproof Sensor Sports Optical Tracking Armband for Fitness

Feature: 1. Measurement of Exercise Metrics: It measures important exercise metrics constantly, including your heart rate, calorie burn, and exercise duration. 2. Comfortable Fit: It is designed to be both comfortable and secure, fitting snugly onto your arm even during intense exercise. 3. Compatible Styles: It is compatible with a range of training apps, allowing you to track your workout zones and calorie burn on your smartphone or tablet. 4. Waterproof Design: It has a rating of IP67 waterproof. This means that it is able to resist water and sweat, so you can take your workout to the pool or the great outdoors without worrying about damage to your device. 5. Easy to Use: Its compact size and convenient design make it the perfect accessory for any fitness enthusiast, allowing you to easily measure important exercise metrics no matter where you are. Specification: Item Type: Heart Rate Monitor Armband Material: ABS Built in battery: Lithium ion battery 135mAh Operating Temperature :0 celsius -40 celsius Waterproof Grade: IP67. Package List: 1 x Heart Rate Monitor Armband1 x Instruction Book1 x USB Cable