Check the listing for details. Mares Puck 4 Dive Computer. Color: Black/Olive, Condition: New. Listed at 389.95 USD. Adapt to various diving scenarios with versatile modes, multigas capability and crystal-clear displays. The Puck 4 also has integrated Bluetooth. Discover the underwater realm effortlessly with the Mares Puck 4, an entry-level dive computer that uses the advanced Bühlmann ZH-L16C algorithm.