IN THE BOX UP2™ Band Quick Start Guide USB Charging Cable MATERIALS & CARE Strap: Medical-grade hypoallergenic TPU rubber Casing: Anodized aluminum with less than 0.5% nickel Splash-proof UP2™ DIMENSIONS & WEIGHT 220mm x 11.5mm x 3.0-8.5mm One size fits most, wrist sizes ranging 140mm–190mm Weight: 25g POWER & BATTERY Battery life: Up to 10 days Rechargeable Lithium-Ion Polymer, 38 mAh Battery Charge time approximately 60 minutes via magnetic USB charging cable SENSOR & INTERFACE Bluetooth® 4.0 BLE Tri-axis accelerometer Three single color LEDs: Blue for sleep, orange for activity, and white for notifications