Bluetooth SmartWatch Only Support 2G GSM/GPRS 850/900/1800/1900 (SIM CARD EXCLUDED) Health Control Center: Simple Pedometer、 Support TF Card up to 32GB Supports Multiple Different Languages Pushes Notifications for Email, Text, and Messages etc. through Android App NOTE: IPhone cannot download the App. Remote Camera Control only for Android. Y1 Bluetooth Smartwatch With SIM Slot Bluetooth SmartWatch Only Support 2G GSM/GPRS 850/900/1800/1900 (SIM CARD EXCLUDED) Health Control Center: Simple Pedometer、 Support TF Card up to 32GB Supports Multiple Different Languages Pushes Notifications for Email, Text, and Messages etc. through Android App NOTE: IPhone cannot download the App. Remote Camera Control only for Android. General Material: Silicone/Rubber Network: GSM 850/900/1800/1900 GPS: No System CPU Processor: MTK6261D CPU Core Quantity: Single Core Language: English, French, Polish, Portuguese, Italian, German, Dutch, Vietnamese, Arabic Storage Capacity: 32M Screen type: 1.2inch IPS Screen Screen Resolution: 240 x 240 pixels Touch Focus: Yes 280 Mah Battery Brand No Brand SKU BE416EL0TX184NAFAMZ-154817 Compatible Operating System Android Bluetooth Version Not Specified Model Y1