Compatible with:Smartphones Display size:0.96 Inches Power source:Battery Powered tech_spec_battery_description_toys:Lithium Delivery information::We cannot deliver certain products outside mainland UK ( Details). We will only be able to confirm if this product can be delivered to your chosen address when you enter your delivery address at checkout. welcome to my store , Hope you have a pleasant shopping trip! Features: 1.Bluetooth-compatible 4.0 allows the connection of smartphones and tablets, as well as GPS watches.2.Real-time monitoring of exercise strength to prevent sports injuries caused by insufficient or excessive exercise.3.Use compatible training apps to track and capture real-time heart rate, training area, and calories burned on your smartphone or tablet.4.Adjustable chest strap: including chest strap and elastic band, you can wear it regardless of your body shape.5.Long battery life: ultra-low power consumption, CR2032 button battery can provide you with 300 hours of battery life.SpecificationsBluetooth: 4.0Heart rate sensor weight: 45gColour: BlackBattery model: 2032Package List:1 X Heart Rate BeltNotes: 1. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures.2. Please allow 1-2cm slight dimension difference due to different manual measurement. About this item Bluetooth-compatible 4.0 Allows the Connection of Smartphones and Tablets, as Well as GPS Watches. Real-time Monitoring of Exercise strength to Prevent Sports Injuries Caused By Insufficient Or Excessive Exercise. Use Compatible Training Apps to Track and Capture Real-time Heart Rate, Training Area, and Calories Burned on Your Smartphone Or Tablet. Adjustable Chest Strap: Including Chest Strap and Elastic Band, You Can Wear It Regardless of Your Body Shape.Long Battery Life: Ultra-low Power Consumption, CR2032 Button Battery Can Provide You With 300 Hours of Battery Life. SHOP WITH CONFIDENCE: To Provide You With the Highest Quality Service, If You Have Any Question, Please Feel Free to Contact Us.We Will Provide After-sales Service Until You Are Satisfied. Bluetooth-compatible 4.0 Allows the Connection of Smartphones and Tablets, as Well as GPS Watches. Real-time Monitoring of Exercise strength to Prevent Sports Injuries Caused By Insufficient Or Excessive Exercise. Use Compatible Training Apps to Track and Capture Real-time Heart Rate, Training Area, and Calories Burned on Your Smartphone Or Tablet. Adjustable Chest Strap: Including Chest Strap and Elastic Band, You Can Wear It Regardless of Your Body Shape.Long Battery Life: Ultra-low Power Consumption, CR2032 Button Battery Can Provide You With 300 Hours of Battery Life. SHOP WITH CONFIDENCE: To Provide You With the Highest Quality Service, If You Have Any Question, Please Feel Free to Contact Us.We Will Provide After-sales Service Until You Are Satisfied.