This phone will only work with 2G: GSM 850\/900\/1800\/1900、  3G:WCDMA 850\/2100 It's unlocked for worldwide use、 customers please take a check to see if your local area network or the communication operator you are using is compatible with this phone before purchase. You can also go to this topic [===Official Help Center=== How To Check If This Phone Can Be Used In Your Country] to find how to confirm this.            Appearance       Straps       Italian sheepskin strap           Body       316L Pure Steel Shell           Size       53*37*11.2m           Color       Gold、 Black、 Silver           specifications       CPU       MTK6580 1.3GHz           RAM       1G           ROM       8G           System       Android 5.1           Screen       Material       Sapphire mirror           Size       1.63 inch           Resolution       320*320           Precision       214 ppi (Pixels Per Inch)           Bright screen       Auto           Capacity touch screen       Multi-touch screen           Sim card       Slot       Nano           Frequency band       2G: GSM\/ 850\/900\/1800\/1900; 3G: WCDMA 850\/2100           Memory card       Support TF Card 32GB MAX           Connect type       Bluetooth 4.0       Support Android \/ IOS           Wireless System       WIFI           GPS\/AGPS       Support           Language       Chinese (Traditional)、 Chinese (simplified)、 Indonesian、 Malay、 Czech、 Danish、 German (German)、 German、 English (UK)、 Spanish (United States)、 Filipino、 French、 Croatian、 Italian language、 Latvia、 Lithuania、 Hungary、 Netherlands、 Norwegian、 Polish、 Portuguese (Brazil)、 Portuguese (Portugal)、 Romania、 Slovakia、 Finland、 Sweden、 Vietnamese、 Turkish、 Greek、 Bulgarian、 Russian、 Ukrainian language、 Hebrew、 Arabic、 Persian、 Thai、 Burmese、 Khmer、 Korean           Waterproof Level       Life waterproof       Support           Battery       mAh       450mAh           Standby time       20 hours           Power Parameter       Charging       Suction charger           Additional features       Radio       Support FM Radio           Recording       Support           Sensor       Heart Rate sensor、 Barometer、 Temperature measurement、 Microphone、 Build-in speaker           Package included       1 x NO.1 D6 Smart Watch    1 x Magnetic Charging Cable