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An orange elastic chest strap wrapped around a dark graphite heart-rate sensor sits inside a clear pouch on a blue-grey tank floor underwater, with bright…

Heart Monitor Below the Surface

An orange chest strap and graphite heart-rate sensor sit inside a watertight transparent pouch on a submerged blue-grey platform.

  • Small640 × 640
  • Medium1200 × 1200
  • LargePro2400 × 2400
  • XLargePro4800 × 4800
Original size
1248 × 1248
Shape
square
Colours
Prompt

Premium realistic underwater studio product photograph, square 1:1, directly overhead. A blank transparent watertight retail pouch rests diagonally on a pale blue-grey tank floor, fully submerged in clean water. Inside the sealed pouch, a dry electric-orange elastic chest strap forms one broad oval around a compact graphite heart-rate sensor, with its smooth curved housing facing the camera. Clearly visible welded pouch seams and a thin trapped-air pocket establish protective packaging; water never touches the electronics. Place the package toward the lower right, leaving generous empty water at upper left. Cool rectangular screen-like light enters from the left, balanced by a soft neutral fill that preserves the orange colour. Believable water refraction, restrained caustics across the floor, a few tiny bubbles clinging to the pouch seam, crisp matte sensor detail and subtle flexible-film creases. Real photographic materials, no CGI gloss. No people, marine animals, text, logos or watermarks.