The NEW SEALED Hume Band 24/7 Health Tracking Longevity iOS ANDROID BLUETOOTH is a sleek black fitness tracker that operates on both iOS and Android devices. It features a 240 x 240 display resolution and a battery life of up to 7 days. With a focus on heart rate monitoring and sleep tracking, this activity tracker also includes GPS sensors for tracking outdoor activities. The Hume Band is designed for unisex adults interested in running and jogging, providing accurate measurements in both decimal and imperial systems. Its cordless operation and Bluetooth connectivity make it convenient for everyday use. Made of plastic, this durable band is a great tool for maintaining a healthy lifestyle.