Optical PPG Heart Rate Sensing Technology/ 30 Hours Of Battery Life Between Charging/ Rechargeable Lithium-Ion Battery With Magnetic Charging Cable/ Bluetooth And Ant+ Dual-Band Technology/ On/Off Button With LED Indicator Light/ To Be Worn On Forearm Or Upper Arm/ Includes A 1 Size Fits All Adjustable Non-Slip Arm Band/ Compatible With Pro-Form And NordicTrack/ Black Finish
