Product information:  Screen size: 1.3 inchesInterface: USB 2.0Camera: NoneScreen material: TFTWearing method: wrist strapCompatible system: iOS platformCommunication function: supportAdditional features: step counting, monitoring, smart reminder, remote control selfie, health monitoring, information push, exercise tracking, sleep analysisWireless distance: 5m (inclusive) -10m (inclusive)Screen resolution: 240*240Wristband material: silicone strapPacking list: charging cable*1, manual*1, watch*1