"The Denver BFH-147MK2 is a simple Bluetooth fitness band designed for daily activity tracking. It helps you monitor steps, sleep and heart rate, while also showing notifications on its clear colour display. With music control, vibration alarm and an easy one-button design, it is a practical smart band for everyday use. Key features Bluetooth fitness band with heart rate sensor Tracks steps, activity and sleep 0.96"" colour TFT display Call and notification reminders Music control from your phone Vibration alarm function FitPro app support for iOS and Android 90 mAh rechargeable lithium polymer battery Bluetooth 5.0 connection Dimensions Gift box size: 9 x 17 x 4 cm Display size: 0.96"" Battery capacity: 90 mAh Charging time: approx. 2 hours