ABB Smart Watch in true sense is a smart device â a standalone phone with micro SIM option OR just connect your phone via Bluetooth and use on the go...itâs speaker is so powerful that you may use it in a quiet environment for your calls w/o any hassle however connecting a blue tooth headset makes this a complete phone with all features of a smart phone â Twitter , watsapp, facebook , internet browsing built-inâ¦just imagine cost of a smart phone vs a good looking wearable smart watchâ¦Also Helps You With Your Fitness with Pedometer , Sleep monitor , Sedentary reminder . It Also Helps You Listen To The Music Stored On The TF Card Or On Your Smartphone Through Its Inbuilt Speaker