Make your next workout smarter with the Lechal Smart Fitness Tracking Insoles. These will slide right into your athletic shoes and provide you with precise navigation as you move. You won’t have to look at your device at all. These insoles will deliver simple vibrations to your feet so you know when to turn even without data connectivity. It can also track your fitness and count your steps. Other than this, the insoles can also monitor the calories you burn. It will also record the distance you’ve traveled. The device pairs with the app after your workout. It comes with a battery life of up to 15 days on just a single charge.