Color:Black Specifications Signal transmitter material:ABS Size:66 x 38 x 11.7mm Signal transmitter weight:20g Strap weight:30g Strap size:100cm x 2.9cm Strap material: Medical Polyester (80%Nylon and 20% Spandex) Signal transmitting distance:50m Waterproof level:IP x 7 Cruising duration:800 hours Transmission technology: Blueteeth 4.0 Battery:CR2032 coin. Package list: 1* Transmitter Device 1 x Adjustable Elastic Strap Package Weight: 0.166kg (0.37lb.) Package Size: 20cm x 15cm x 15cm (7.87in x 5.91in x 5.91in) Support Device 1. For Iphone 4s/5/5s/6/6s plus and for other Android 4.3 devices. Endomondo,Strava,Runmeter,Runkeeper,Wahoo app,Endomondo APP,Runtastic,Mapmyride. 2.In different countries available App for the monitor maybe will different, you can try to connect device with Strava, fitness,runtastic,etc. Warm Warning Do NOT put the HR Strap into washing or drying machine. Please keep the strap dry to prolong the battery charge when not in use Rinse the electrode area of the strap under running water after every training session Why should know the heart rate? The heart rate excess the HR max when excessive consumption, it will lead to a racing heart even a sudden death. The Chest Strap heart rate is an early warning for the health(HR max of different people is not the same, the estimated formula is 208-0.7*Age ) Raise the heart rate In normal, the lifetime of human and the heart rate have an inverse relationship, the athlete’s HR is lower than average person. Use a HR strap to know your sports data, doing exercise with scientific method to lower the HR. After 3-months exercise, HR can reduce 4-5/ min.HR lower 45% HR max, there’s no mean to take exercise. When 60-70% HR max, it’s fat burning process, when 70-80% HR max, it’s in the aerobic exercise, can improve heart and lungs.

Long Battery Life: The battery lasts up to 1 year(300 Hours). IP67 Waterproof: XOSS X2 uses the micro-voltage signal generated by the heartbeat to process the heart rate data, no worry of sweat and rain so that you can be more concentrated on your training status. Bluetooth and ANT+ Protocol Support: Make sure a stabler and faster connection when connecting fitness equipment and training App. Real-time Monitoring: Monitoring your heart rate data every second during exercise, making your training more scientific with Powerful XOSS app. Compatible with Multiple Training Apps: XOSS X2 is compatible with mainstream training apps and devices, Suitable for all kinds of sports. ?One Year Warranty?XOSS is committed to providing you with high quality products and a good after-sales experience. Our products come with a one-year warranty, so please feel free to contact us when there is a problem with the product or if you have any questions, and we will answer your questions as soon as possible.

Battery Description: Lithium. Sensor Type: Wearable. Battery Life: 300 Hours. Item Dimensions LxWxH: 5.51 x 2.36 x 1.57 inches. Compatible Devices: Smartphones. Color: X2. Material: Abs,Nylon. Brand: XOSS. Date First Available: January 25, 2022. Best Sellers Rank: #94,599 in Sports & Outdoors. Customer Reviews: 4.3 out of 5 stars 367 ratings 4.3 out of 5 stars. : B09R41V22L. Style: ?Portable. Part Number: ?X1. Manufacturer: ?xoss team. Material: ?Abs,Nylon. Color: ?X2. Model Name: ?X1. Brand Name: ?XOSS. Item Dimensions LxWxH: ?5.51 x 2.36 x 1.57 inches. Package Weight: ?0.11 Kilograms. Item Package Dimensions L x W x H: ?5.87 x 3.98 x 1.54 inches.