Audible timing support The unit provides a loud enough audible alert to help you stay on schedule during workouts. Bright, easytoread display Bright LED display allows you to see numbers clearly from anywhere in your workout space, making it suitable for a home garage or a commercial gym. Versatile fatburning training modes 8 sets of fatburning training modes, including time, countup, and countdown options for flexible interval workouts. Convenient attachment and power Magnetic strip allows attachment to iron furniture or surfaces for simple placement. USB rechargeable for convenient charging and maintenance. Use scenarios Home gym or garage workouts: place the device on a metal rack or nearby equipment, read the display from across the room, and rely on audible cues to manage intervals. Commercial gym or studio classes: use the loud alerts to cue rounds and keep groups in sync during circuit or interval training. Small space or temporary setup: attach to any iron furniture with the magnetic strip and charge via USB between sessions for easy, clutter operation.