Connect. Track. Share. The TICKR heart rate monitor accurately tracks your heart rate and calorie burn during any activity or workout. Its new design makes it the lightest and slimmest heart rate monitor on the market! Equipped with Bluetooth and ANT+ technology, TICKR offers an easy and reliable way to connect heart rate to your favorite training apps and fitness devices, and now supports up to three simultaneous Bluetooth connections. The new integrated heart rate sensor and strap design provide a more secure connection and fit, so your training can be optimized, measured, and shared. FEATURES INTEGRATED CHEST STRAP DESIGN SLIM, LIGHTWEIGHT HEART RATE SENSOR POD MULTIPLE SIMULTANEOUS BLUETOOTH CONNECTIONS TOP DISPLAY LED INDICATOR LIGHTS DUAL-BAND ANT+ AND BLUETOOTH TECHNOLOGY REAL-TIME HEART RATE, CALORIE, AND WORKOUT DURATION TRACKING FRONT SENSOR & STRAP CONNECTION COIN CELL BATTERY ADVANCED PERFORMANCE MATERIAL STRAP APPLE WATCH AND APPLE TV INTEGRATION THIRD PARTY APP COMPATIBILITY SPECS Dimensions (LxWxH): 2.5" L x 0.2" W x 1.5" H (6.3cm L x 1cm W X 3cm H) Weight: 1.7 oz (48 g) with strap Battery: Coin Cell (CR2032) Battery Life: Over 500 active hours Sweatproof: Yes (Hand Washable Strap) Water Rating: IPX7 (Waterproof up to 5 ft.) Strap Length: Adjustable from 23" to 48"