Function: Passometer?? Sleep Tracker?? Message Reminder?? Call Reminder?? Answer Call?? Dial Call?? Remote Control?? Push Message.</br>Compatibility: All Android and iOS Mobile Phone and Android Tablet PC. Android Mobile Phone: Samsung?? HTC?? Sony?? LG?? HUAWEI?? ZTE?? OPPO?? XIAOMI?? and so on. iOS Mobile Phone: iPhone 6 / 6S?? iPhone 6 / 6S plus?? iPhone 5 / SE?? iPhone 5s ?? iPhone 4?? iPhone 4s ect.</br>Bidirectional anti loss: Anti lost remind Bidirectional search. Entertainment: Video Recording. MP3 local playback; Bluetooth music playing.</br>You can use it with or without smartphone. Install GSM 2G SIM card?? it can be use as a phone. Please make sure you have a postpaid sim card?? GSM 850/900/1800/1900 MHz?? Single Micro SIM Card.</br>Please search "e.</br></br>Product Description</br></br><b>Features:</b><br><br> GSM 850/900/1800/1900 MHz?? Single Micro SIM Card<br> Bluetooth Dialer?? Call Reminder?? Bluetooth Call<br> Bluetooth SMS / IM Message Notified<br> 1.54"T LCD Touch Screen?? 240*240 pixels<br> Anti-loss Technology<br> Pedometer?? Sleep Monitor?? Sedentary Reminder<br> Audio and Video Player<br> Calendar (Synchronizable)<br><br> <b>Specification:</b><br><br> CPU: MTK6260A AMR7<br> Network and Connectivity:<br> SIM Card: Single SIM Card (Micro SIM Card) Can be as a phone<br> Frequency: GSM 850/900/1800/1900 MHz<br> Bluetooth: Bluetooth 3.0<br> Storage: RAM 128M?? ROM 64M; External memory: Support TF card up to 32GB<br> Media:<br> Music/video: Support<br> Hand-writing: Support<br> Picture Format: JPEG?? GIF?? BMP?? PNG<br> Music Format: MP3?? WAV<br> Video Format: MP4<br> Battery Capacity(mAh): 380 mah<br> Charging Time: 3 hours<br> Stand-by time: 120 hours<br> Talk time: 2-3 hours<br> Material: Glass and Acrylic<br> Dimensions / WxDxH: 43.5*40*9.8mm <br> Net Weight(kg): 0.078<br><br> <b>Packing List:</b><br><br> 1 * Smart Watch<br> 1 * Manual<br> 1 * Charging Cable</br><br/>http://www.amazon.com/gp/product/B01G4Z2WS22x?? and connect the way yo