The Gabit Smart Ring in size 7 is a sleek silver activity tracker designed for unisex adults. With a battery life of up to 7 days and made of titanium material, this ring is perfect for tracking your running and jogging activities. The measurement system uses both decimal and imperial units, making it versatile for different preferences. The smart ring is powered by batteries and worn on the hand, providing a convenient and discreet way to monitor your fitness goals.