Smart Watch for Android Phones, SHONCO Bluetooth Smartwatch DZ09 Mobile Phone Watch with Pedometer HD Display Touch Screen Camera Long Battery Life- White Make it an independent phone with an inserted valid SIM card. Creative dual slots design for both SIM and TF cards for media files storage, supports maximum 32GB. ( SIM&TF cards are not included ). Support AT&T, T-Mobile and Simple Mobile GSM Cards, NOT for Verizon and Sprint CDMA Compatible with Android smart phones. Such as Samsung, HUAWEI, Sony, Note 4 etc. Smart phone OS should be Android 4.4 or a higher OS based and supports Bluetooth 4.0.Not fits for iPhone devices. Try 'Smart Wear' or 'BT Notification' if you have difficulty using the recommended app Main features descriptions: Check your app notifications on this little smart watch for Android smart phones when the settings of Bluetooth Connection & Sync app installation are all done Make & receive phone calls, write messages ( SIM card required ), play music files on your phone, check time and date, pedometer, sedentary reminder, sleep monitor etc. Fits for even large wrist customers thanks to its long and adjustable strap. Great gift for kids iPhone Users Get: Basic synchronization features based on a successful Bluetooth Connection. Such as: Contacts & Call Records synchronization, Make phone calls via Bluetooth, Check Calendar, Pedometer etc. App notifications are unavailable on iPhone