Many of us enjoy running early in the morning or late at night. Staying visible is important for your own safety. Specter is a smart wearable device with LED lights that create visible text or images as you move your hands. The device also serves as a regular fitness tracker.
Specter is stylish and lightweight. You can customize brightness, text, and images from your smartphone. The device is waterproof and has 48 hours of battery life. It comes equipped with Bluetooth.[where to find more info]