HD IPS display 2.5D Gorilla Glass Screen?? sharp and clear. The shell is made from high-grade?? lightweight and durable Aluminium alloy</br>Designed to be used independently without the need of a smartphone. Support T-Mobile SIM card 3G WCDMA?? wireless communications combined with WIFI. You can call?? text and email. Support GPS?? Bluetooth 4.0/3.0?? hands free speaker?? Bluetooth headset?? data transmission and reception</br>1GB RAM and 8GB ROM. The function of strong extension?? supports kinds of application such as APK?? E-mail?? Web?? games?? Google Map?? calendar?? calc