The Emwave 2 Heartmath HRV Monitor with Ear Finger Sensor USB is a brand new device designed for monitoring heart rate variability (HRV) during gym and training activities. With its sleek black color and innovative ear finger sensor, this Heartmath product is perfect for fitness enthusiasts looking to track their HRV and improve their overall performance. This USB-connected monitor allows users to easily monitor their HRV levels while engaging in various fitness, running, and yoga routines. Perfect for those wanting to enhance their workouts and optimize their cardiovascular health.