Specification:
<br />Display: 1.39 inch round Amoled screen   
<br />OS: Android 5.1  
<br />Cores: Quad Core  
<br />RAM: 512MB  
<br />ROM: 4GB  
<br />External Memory: Not Supported  
<br />WIFI: 802.11b/g/n wireless internet  
<br />Network type: GSM+WCDMA  
<br />Frequency: GSM 850/900/1800/1900MHz WCDMA 850/2100MHz  
<br />Support 3G: Yes  
<br />Bluetooth version: V4.0
<br />Screen type: Capacitive
<br />Front camera: 2.0MP (SW 5.0MP)
<br />SIM Card Slot: Single SIM(Micro SIM slot)  
<br />Speaker: Supported
<br />Picture format: GIF,JPEG,PNG  
<br />Music format: MP3  
<br />Video format: MP4
<br />Languages: English, French, Russian, Vietnamese, Polish, Portuguese, Hebrew, Turkish, Arabic, Italian, Persian, Japanese, Korean, Thai, Bengli, Burmese, Indonesian, Hindi, German, Spanish
<br /> 
<br />Features:
<br />*Aluminum watchcase with anodic oxidation processing,  CNC manufacturing
<br />*1.39 inch UHD AMOLED whole round screen, resolution 400*400 pixel,   OGS capacitive  screen,
<br />  Non-air- gap
<br />*Because the smart watch app and software has occupied about 2GB memory, the rest free using memory is  about 2GB.
<br />*&quot;Sinwear&quot; APK can work with Android 5.0 IOS 8.0 or above phone.
<br />*After connect bluetooth with Android phone, you can get phone call remind, message remind, notification  remind, remote camera, remote music, find phone;
<br />*After connect bluetooth with IOS phone,  you can get phone call remind, message remind, notification  remind, remote music sound, find phone.
<br /> 
<br />Main Functions:
<br />Phone function: WCDMA900/2100 for 3G bands
<br />SMS: local SMS
<br />Bluetooth SMS
<br />GPS: Yes  
<br />Camera type: Single camera  
<br />Entertainment: local MP3, MP4, AVI
<br />Bluetooth music play
<br />Caller ID display: anti-lost, sleep monitor, sedentary remind
<br />Clock face: 3 faces, click to switch
<br />Anti-lost: anti-lost remind
<br />Pedometer: step records, calories records, distance records
<br />Others: alarm clock, calendar, stopwatch,  calculators and more
<br />Photograph: watch photograph: saved in watch, image format: PNG, JPG
<br />Remote camera: saved in phone; image format: PNG, JPG
<br />Heart rate monitor: Yes
<br />Info Bluetooth sync: QQ, WeChat, Twitter, Facebook, SMS, news, and more,whatsapp.