Mares puck 4 bluetooth dive computer the mares puck 4 bluetooth dive computer is a watch-style wrist dive computer designed for scuba divers who want simple one-button control, clear underwater data, bluetooth dive log transfer, and reliable dive planning features in one compact device. Built with the bühlmann zh-l16c algorithm, adjustable gradient factors, multigas capability, and a clear segment display, the mares puck 4 is suitable for recreational scuba diving, nitrox diving, bottom timer use, and divers who want a practical entry-level dive computer with advanced features. Easy one-button control the mares puck 4 is designed with a simple single-button interface, making it easier to navigate dive modes, settings, logs, and planning features. This makes it a strong option for beginner divers and recreational scuba users who want a clean, easy-to-use dive computer. Bluetooth dive log transfer with integrated bluetooth connectivity, the puck 4 allows you to transfer dive data to a smart device using the mares app. This helps you review dive logs, track dive history, and analyze your underwater sessions after each dive. Customizable dive algorithm the bühlmann zh-l16c algorithm with adjustable gradient factors gives divers more control over decompression settings. This helps make the dive computer useful for divers who want more personalized dive planning and conservative profile options. Multigas support for flexible diving the mares puck 4 supports multigas use for up ...