Meet Noise ColorFit Caliber 2 Buzz with Tru Sync ( Single Chip BT Calling), 1.85" TFT Screen, Up to 10 days battery, Noise Health SuiteTM (SpO2, heart rate, activity tracker, Stress tracker), and 5 colour options: Pine Green, Jet Black, Vintage Brown, Pearl Grey, Graphite Mauve. Buy now.