Smart Bracelet Bluetooth 3.0 Pedometer Call Reminder Answering Phone Remote Anti-lost Sleep(SILVER) Compatible with all kinds of smartphone in the market with Bluetooth, and its working range is 10 meters. Can display the time and steps clearly, let you know your sports data right now, and gives you assessment of your exercise throughout the day in your phone. QQ / Micro message and SMS cam be synced to your bracelet when APP is connected. Phone Companion for you to answer and receiver calls after pairing with phone Bluetooth. Can get the phone book in your phone after pairing with Bluetooth, easy to call others when no phone at hand.