Check the listing for details. Mares Puck 4 Dive Computer Bluetooth Multi-Gas Air/Nitrox Easy-Read Display. Color: Black/Yellow Fluo, Condition: New. Listed at 319.00 USD. Adapt to various diving scenarios with versatile modes, multigas capability, and crystal-clear displays. The Puck 4 also has integrated Bluetooth. Seamless Connectivity: Integrated Bluetooth enables direct connection to your smart device, facilitating easy data transfer and analysis via the Mares app.