inDigi Bluetooth Smart Wrist Black Watch Phone for Samsung Galaxy S4 S5 Note3 US Seller Universal Compatibility  iOS or Android! The A18 SmartWatch is Capable of syncing with either platforms! Ringtone & Vibration  A18 rings and vibrates, showing incoming phone numbers. Answer directly from your wrist - no more missed calls Heart Rate Sensor & Calorie Counter & Pedometer - Kick Start your health by keeping track of your BPM while working out and your steps taken throughout the day + calories burned Synchronizes Phonebook  so contacts can be consulted on the watch instead of the smartphone and you can keep the smartphone in the pocket. Synchronizes Messages - The A18 will notify you of incoming messages which can be viewed on the watch, and also displays emails, Skype / whatsapp messages, and other notifications