Functions: Calling : Dial, hands-free calls, call history, phone book, BT Calling SMS : Local SMS, SMS Bluetooth synchronization push Entertainment : MP3, MP4 local playback, Bluetooth music player Calls to remind : Ring tones and vibrate Clock Display : 3 sets the clock display, free to switch Two-way anti-lost: Bidirectional reminder, bi-looking Pedometer : Sports pedometer, exercise tachograph Sedentary reminder : Supports PSG : Supports Calendar : Sync schedule BT Message : WeChat, Facebook, Instant Information, Mobile Push Notification Specifications: Screen: 1.22" IPS Round Screen Bluetooth: BT3.0 SIM Card: Micro Sim Network Frequency: GSM 850/900/1800/1900 Quad-band calling Battery 280mAh Polymer Battery External Dimension: 53.0x44.8x12.95mm Package Includes: 1 x Smart Watch 1 x USB Cable 1 x User Manual