The TICKR FIT heart rate armband uses optical heart rate technology to provide accurate heart rate and calorie burn data in the most comfortable form factor yet!

• Dual Band: Bluetooth and ANT+ technology seamlessly pairs with fitness apps, smartphones, and GPS bike computers / watches
• Measures: heart rate, calorie burn, and workout duration in real-time
• LED display light on sensor for quick connection indication
• Comes with 2 adjustable forearm band that is designed for your most grueling workouts (Small 10"x1", Large 15"x1")
• Washable strap (hand wash only)
• Third party app compatibility
• Battery life: 30+ hours
• USB Rechargeable
• On / Off button
• IPX 7 waterproof rating
• 0.7 oz with Stap