Symbios (CM) Rebreather + Handset Computer

Symbios Chest Mount (CM) Rebreather + Handset Computer - HALCYON

The Halcyon Symbios™ is a next-generation chest-mounted closed-circuit rebreather (CCR) designed to integrate seamlessly into the way divers explore.

Compact, streamlined, and engineered for unmatched work-of-breathing in all positions, Symbios™ empowers divers to go further, stay longer, and experience the underwater world with new clarity.

Specifications:

• Brand: HALCYON
• Model: Symbios™ Chest Mount (CM) Rebreather
• Product code: 80.300.000

Kit contents:

• Full Unit
• Black Rebreather Bag
• Oxygen Tank
• Handset Computer

Key Highlights:

• Sleek, ultra-slim design that’s lightweight and unobtrusive
• Transflective color display for excellent readability in all light conditions
• Responsive tactile buttons for confident use underwater
• Rechargeable battery (~40 hours runtime) for extended dive trips
• Clean, easy-to-read interface with customizable layouts
• Numerous customizable parameters to suit diver preference
• Constant evolution with regular firmware upgrades
• Powerful Symbios App integration, extending features and logs
• Scales with a diver’s needs, from recreational to expeditionary use

Engineered for Exploration

The Halcyon Symbios™ Rebreather combines innovation, safety, and streamlined design. With redundant wireless communication, hybrid O₂ sensing, and a patented BOV/ADV system, it delivers excellent breathing performance and intuitive alerts. Its modular, travel-friendly build is compact yet powerful, offering easy trim, large CO₂ capacity, and seamless connectivity across the Symbios ecosystem for exploration without limits.

Built for Modern Divers

Streamlined Performance: A low-profile chest design that improves trim, comfort, and accessibility.

Advanced Safety: Dual sensing (electrochemical + GreenFlash™ digital O₂), tactile vibration alarms at the chest, and bold visual alerts for critical conditions.

Smart Technology: Adaptive setpoint control, Symbios App pairing for pre-dive checklists, firmware updates, and dive log review.

Exploration Ready: Designed for both recreational and advanced technical dives, fully EN 14143 compliant.

Handset & HUD Integration

Pair the Symbios™ Rebreather with the Handset or HUD for a fully connected experience. Both are part of the unique Symbios ecosystem, delivering intuitive control and critical dive data at a glance.