Compatible with most iOS and Android devices with multi-functions including sedentary reminder sleep monitor remote camera music player calendar calculator alarm clockweb browser and video recorder and power save mode.</br>Simple pairing with your smartphone with the help of Bluetooth or NFC Connection. Magnetic charging to make your devices more safe in which someone is tripping over the charging cablebut they will be separated rapidly to avoid damaging to devices.</br>Multifunction:including heart rate monitorsedentary reminder sleep monitor remote camera music player calendar calculator alarm clock and video recorder and power save mode and so on...but can't connect to wifi.</br>The Japanese breathable strap is UV resistant and anti-allergy for sensitive skin which gives you a perfect and comfortable fit.</br>It can answer message and call with SIM Cardif you didn't insert the SIM card then you only can receive the notification but can't answer it.Comes with a very thin 12.2mm 2.5D ARC captive touch screen watch face which is very sharp and clear from all anglesfirst-grade ABS material and exclusive protective layer for TFT LCD to protect your device's screen from scratches and ensures a durable design.it only support 2G network and can't connect to wifi.</br></br>Product Description</br></br><b>Outline</b><br><b>Size</b>4.52cm*3.9cm*1.32cm(1.78*1.54*0.52in).<br> <b>Screen Type </b>: IPS square capacitive touch screen. <br><b>Resolution:</b>240 *240. <br><b>Screen size : </b>1.54 inch. <br> <b>Watch case : </b>ABS+PC+stainless steel. <br><b>Watch Band : </b>Silicon rubber.<br><b>Memory:</b> RAM 128 M+ ROM 32M. External Memory: support TF card max 16G. <br><b>Bluetooth : </b>BT 3.0?? 4.0.<br><b>Battery: </b>300 mAH.<br><b>Normal use:</b>more than 3 days.<br><b>G-sensor : </b>support.<br><b>Speaker:</b>support.<br><b>Vibration:</b>support.<br><b>Features:</b><br><b>MTK2502C</b> main chip?? rechargeable by magnetic?? very convenient. With GSM/GPRS communication function. <br><b>