Heart Rate & Sleep Monitoring: Tracks real-time heart rate automatically & continuously and automatically tracks your sleep duration & consistency with comprehensive analysis of sleep quality data, helping you adjust yourself for a healthier lifestyle All-day Activity Tracking: Accurately record all-day activities like steps, distance, calories burned, active minutes and sleep status Multi-Sport Modes & Connected GPS: 14 exercise...

✅ CUT YOUR WORKOUT TIME IN HALF! - Training Mask by SPARTHOS makes workouts more effective by simulating high altitude. It will force you to take full and deeper breaths, toughening your diaphragm and respiratory system. ✅ UNLOCK THE CHAMPION IN YOU – Breathe efficiently and reach unmatched endurance. Less fatigue, hardened body, more energy after training. ✅ PROVEN RESULTS, PROVEN TECHNOLOGY - SPARTHOS Workout Mask is anatomically designed, cutting edge technology...

Do you have what it takes to become best? Vikingstrength have been a trustful provider of high quality training equipment for Scandinavian athletes. Start training with the mentality of a Viking and see real progress! Altitude training have been athletes well guarded secrets for years, but now you can also benefit from altitude training without mowing to cold and windy mountains. Vikingstrength gives you all the benefits in one mask! Thrive outside your comfort zone Improve...

✅ AWAKE YOUR VIKING AND CONQUER YOUR WAY TO VICTORY: Scandinavians are known for high physical stamina and endurance due to the high mountain environment. Vikingstrength are now bringing these mountains to you! Experience high altitude training and the extreme results it brings with it anywhere! Awake your viking and discover your champion! ✅ DECREASE YOUR WORKOUT TIME DRAMATICALLY: Less oxygen, harder working muscles, faster fatigue, faster results! Used to improve...