Pedometer, Distance Meter, Calorie Counter, Sleep Analysis & Alarm Via App with Vibration Alert for Calls, Sms & Alarm (app) – Works with the App Dayday Band (free Download) – Cordless Synchronization of Your Data with the App (compatible with Smartphone Models Running Android 4.3 & Ios 7.0 Upwards), Removable Tracker with Integrated Rechargeable Lithium-ion Battery, Splashproof, Capacity: 40 Mah, Runtime: Approx. 3 Days, Incl. USB Charger (cable Length: Approx. 19 Cm), with 3 Leds on the Front, Adjustable Silicon Bracelet. Minimum Quantities Apply.