Train smarter, swim freely & experience premium audio meet purra flow the ultimate open-ear bone conduction sports headphones engineered for runners, cyclists, swimmers, and fitness enthusiasts. Combining ai-powered real-time coaching with live heart rate monitoring, purra flow pushes you past your limits while keeping you comfortable and aware of your surroundings. Key features & selling points: real-time heart rate & fat-burn zone tracking: monitor your heart rate second-by-second across 5 heart rate zones light, aerobic, fat burn, cardio, max effort . Instant voice cues tell you the exact moment you hit your fat-burn zone no need to look at a screen. Openai-powered real-time coaching: integrated ai audio feedback works with you during workouts, offering live insights and encouragement to optimize your performance. 7Th gen maglev bass technology: delivers deeper, dynamic bass and high-fidelity sound without compromising the open-ear design. Ip68 waterproof protection: built for serious swimming and extreme conditions. Resistant to water, sweat, and dirt. 32Gb built-in storage phone-free training : store thousands of your favorite songs directly on the headphones. Enjoy distraction-free runs, rides, or swims without bringing your phone. Stay aware & comfortable: ergonomic open-ear design eliminates ear pressure and fatigue while keeping you safely connected to environmental cues and traffic. 15-Hour ultra-long battery life: power through long training sessions with up to...