The Cronda Base 3.5H (Upgraded Version) is a compact surface-supplied-air diving system designed for exploring underwater without the need to carry a traditional oxygen cylinder. The upgraded system features lower motor noise and greater air output, making it suitable for snorkeling and recreational underwater exploration.

Its internal lithium battery provides up to 3.5 hours of operation on a single charge, while the upgraded battery-driven compressor delivers up to 57L of air per minute. The system supports one diver to a maximum depth of 12m / 39.4ft.

The compact system is suited to activities including underwater exploration, photography, boating, kayaking and paddleboarding.

• Brand: Cronda
• Model: Base 3.5H
• Version: Upgraded Version
• SKU: 2204323
• Product Type: Surface-Supplied-Air Diving System
• Battery Type: Lithium
• Operating Time: Up to 3.5 hours
• Air Output: 57L/min
• Maximum Depth: 12m / 39.4ft
• Diver Capacity: 1 person
• Compressor: Battery-driven
• Noise: Reduced motor noise

• Long 3.5-hour runtime gives you more time underwater without repeatedly refilling an oxygen cylinder.
• 57L/min air output provides the upgraded system's specified air delivery.
• The 12m maximum depth makes it suitable for recreational underwater exploration within the specified operating range.
• The upgraded design delivers lower noise and greater air output compared with the previous version.