UP2 by Jawbone Sleep and Activity Fitness Tracker Bluetooth Wristband Silver New

Sleep tracking, Activity Tracking, and Smart Coach Strap: Medical-grade hypoallergenic TPU rubber One size fits most, wrist sizes ranging 140mm-190mm Battery life: Up to 10 days - Charge time approximately 60 minutes via magnetic USB charging cable Bluetooth� 4.0 BLE - Three single color LEDs: Blue for sleep, orange for activity, and white for notifications