DETAILS: Hands-free heart rate readings while you train Syncs to iFit app and equipment Universal non-slip band is comfortable and durable Lithium-ion battery and magnetic charger included PERFORMANCE & CONNECTIVITY: Using BluetoothA(R) technology, this heart rate monitor senses your heart rate through optical PPG technology and lets you wirelessly connect to your fitness equipment, including iFIT, so you can receive a continuous heart rate reading Train smarter by identifying and tracking your five different heart rate zones to further personalize and adapt your workouts to meet your fitness goals. Easily pair this Bluetooth enabled heart rate monitor with your personal devices and compatible ProForm equipment with the press of a button With a lithium-ion battery powering this heart rate monitor, youa (TM)ll get up to 30 hours of life per charge And the magnetic charging cable keeps the monitor charged and ready to go at any moment With the adjustable non-slip band, you can comfortably wear this monitor on either your upper arm or forearm while you train SPECS: Sensors: Optical PPG Heart Rate Sensing Technology Battery: Rechargeable Lithium-Ion Battery Compatibility: Syncs to iFitA(R) Coacha" App & Equipment Sizing: One Size Fits All; Adjustable, Non-Slip Arm Band Charging: 30 Hours of Life; Magnetic Charging Cable Included Power: On/Off LED Light & Button Warranty: 1-Year Warranty *Not a medical device. Many factors including your physical characteristics affect device accuracy