• Compatible with X2 Heart rate monitor chest strap can be compatible with bike computer(G+/Garmin/COOSPO) mainstream sports app(XOSS/Zwift/UARUN), and suitable for running/cycling/yoga sports. Please wear it well before connecting.
• Accurate Real-time Recording X2 chest strap heart rate recording range: 30-240 BMP, it supports transmission distance: Bluetooth 10 meters/ANT + 6 meters. Heart rate can be monitored accurately in real-time by connecting the X2 HRM to the G+ or XOSS.
• About Wearing Adjustable X2 heart rate tracker chest strap length is 25.59-37.4inches(65-95cm) and suitable for men/women/kids.
• Outstanding Performance X2 heart rate sensor has long battery life lasting up to 300 Hours. IP67 waterproof makes you don't have to worry about sweat and rain.

What's in the box
1 x Chest Strap Heart Rate Monitor