The ASWIO Manta is 

Underwater Scooter Electric Sea Scooter with 3-Speed Compatible with Underwater Action Cameras

Whether deep sea-exploring diving or simply having a happy family time in your backyard swimming pool, the ASIWO Manta Motorized water scooters will be the best gadget you should ever want for you and your family. It allows you to enjoy the adventure of exploring our beautiful waterways, without the fear of fatigue.

• Motor Power: 1000W
• Max Speed: 1.5m/s (5.4kph or 2.9 Knots)
• Max Depth: 40 M
• Running Time:
  • • Manta: Up to 35 Mins
    • Manta S: 2 x Up to 35 Mins (70 Mins Total)
• One-hand mode
• Underwater Action Camera mounting Bracket
• 3-speed gears (Adjustable up and down) 
• Buoyancy Tank
• Multiple safety protections
• Age Range: 14+ Years

Manta Sea Scooter Features:

• FOC Field-Oriented Control for super linearity & high torque & extreme silence.
• 3-gear rotational speed control progressive acceleration system, precise changes to the speed.
• The self-floating design will prevent the sea scooter from sinking.
• Superior safety features, Child safety lock which avoids operation mistakenly.
• Simplified & friendly design for quick and simple use. Just press the left and right magnet switches, enabling everyone to enjoy it freely and easily.
• Comes with a streamlined and symmetrical design, reaching speeds up to 5.4kph faster.
• The portable & smallest design makes it easy to carry during traveling.
• 2x600W(Peak) motors release 9kg of thrust and 5.4kph speed to explore down to  40m underwater (Diving experience (Licensed) and equipment required to reach these depths).
• 4 LED battery indicator, when the magnet switches are pressed, the LED indicator lights up providing the diver with a guide to remaining battery power.
• Powered by a rechargeable Li-ion batteries DC25.2V 5Ah (126Wh) which can run up to 70 minutes in normal usage.
• CE, FCC, IEC62133, NA, UN38.3, RoHS were approved by SGS.