From a smart pain relief wand to medical devices that monitor vital signs, the following health gadgets work together with your smartphone to help you stay fit and to encourage you to start and stick to healthier habits.

Some of them enable patients to manage chronic conditions, others are specially designed for medical professionals, but these innovative devices can quite literally change, and even save your life.

Your Personal EKG
This nifty, FDA-cleared mobile EKG monitor from AliveCor allows you to track your heart health anytime, anywhere. When coupled with its dedicated app, Kardia Mobile delivers a medical-grade electrocardiogram (ECG) to your smartphone in just 30 seconds. It’s that simple!

Portable Gluten Tester
Designed by San Francisco-based startup 6SensorLabs, Nima is the world’s first portable gluten detector. Complete with several one-time use test capsules and a proprietary app that allows you to track and share data with other users, the pocket-sized sensor could be a lifesaver for people with gluten allergies or celiac disease.

Fitness Tracker Watch
An elegant fitness tracker-watch hybrid designed by French company Withings, Activité Pop counts your steps, tracks your swimming, monitors your sleep, and records calories burned.

Teeth Whitener
A product by GLO Science (winner of the Thomas Edison Award for design and innovation), this high-tech teeth whitening device uses ground-breaking patented technology G.L.O. (Guided Light Optic) to deliver professional, long-lasting results at home or on-the-go.

Wireless Blood Pressure Monitor
When it comes to on-the-go blood pressure monitoring, it doesn’t get more stylish than Nokia BPM+. Combining elegant, minimalist design with innovative technology, the compact health gadget is extremely easy to use and synchronizes with your smartphone via Bluetooth automatically.

The dedicated Health Mate app gives you instant color-coded feedback and professional recommendations, and makes it easy to keep track of your measurements.

BioScarf
A chic alternative to traditional air pollution masks, BioScarf is as much a warm and comfortable fashion accessory as it is an air filtration device that lowers the risk of respiratory health problems.

The revolutionary neckwear offers protection against pollutants, allergens, and viral infections thanks to its special built-in N95 air filter which strains more than 94 percent of contaminants out of the atmosphere.

Mobile Breathalyzer
Become a smarter drinker with Alcohoot, a mobile breathalyzer that connects to your smartphone and helps you keep track of your BAC levels. The small gadget uses police grade technology and works in tandem with an Android/iOS app, which not only enables you to measure your blood alcohol level quickly and accurately, but also shows open restaurants nearby and even orders you a taxi.

Wireless Smart Glucometer
Made by iHealth Lab Inc, the Wireless Smart Gluco-Monitoring System is a state-of-the-art, FDA approved glucometer that measures glucose levels in the blood and then displays them on your smartphone.

This innovative health gadget features a sleek, portable design and is compatible with Apple devices. The accompanying iHealth Smart-Gluco app allows you to keep a history of all your measurements and share them with your doctor.

Brain Sensing Headband
Complete with 7 electroencephalography (EEG) sensors, Muse monitors your brain activity during meditation and transmits the information to your computer, smartphone, or tablet via Bluetooth. Designed to help you manage and reduce stress, the unique tool gives real-time feedback on what’s happening in your brain and teaches you how to achieve peace and calm. It also offers a series of motivational challenges and rewards in order to encourage you to make meditation a part of your routine.

Compact Air Pollution Monitor
Traveling with asthma or allergies? The compact size (0.9 x 0.9 x 2.6 inches) and USB connectivity make Atmotube easy to use anytime, anywhere.

Thanks to its accurate sensors and free mobile app, the sleek device alerts you in real time about the presence of harmful gases (CO) and volatile organic compounds (VOCs) while also measuring air temperature and humidity in the environment around you.

Water Purifier Gadget
A reliable travel companion, the SteriPEN Ultra water purifier uses ultraviolet (UV) light to destroy 99.9% of all the harmful bacteria, organisms, and viruses that can exist in water.

Equipped with a rechargeable lithium-ion battery, the award-winning device is capable of treating about 50L per charge. Moreover, in just 45 seconds, a smiley face will let you know that your water is safe to drink. Otherwise, a frowning face will indicate that the process needs to be repeated.

Pain Relief Device
Say goodbye to your sciatica, arthritis, or Carpal Tunnel pain with TechCare Massager Touch 24 Modes, a combination of Transcutaneous Electrical Nerve Stimulator (TENS) and Powered Muscle Simulator (PMS) which delivers low-voltage pulses to the skin to stimulate nerve fibers, blocking the pain signal to your brain. Powered by a rechargeable lithium battery, the gizmo features a large touch LCD display and offers 24 preprogrammed massage modes, including Acupuncture, Deep Tissue, Cupping, and Combo.