This Smart Watch Makes Things A Little Easy For You. Instead Of Reaching Into Your Pocket For The Cell Phone, You Can Practically Do It All On Your Wrist. Frequency: GSM 850/900/1800/1900 MHz Network & Connectivity:Only 2g network ROM:32M, RAM:32M SIM Card: Single SIM Card (Micro SIM Card) Can be as a phone Bluetooth: Bluetooth 3.0 External memory: Support TF card up to 32GB(memory card didn\'t included in package) Camera: 0.3 M Music: Support Picture Format: JPEG, GIF, BMP, PNG Music Format: MP3, WAV Functions: Bluetooth Dialer, Contacts, Call Reminder, Clock, Anti-loss, Pedometer, Sleep Monitor, Sedentary Reminder, Calendar Battery: 220 mAh USB Port: Mini USB 5pin interface Gravity Sensor: Support
