Ourtime X01 1.54-Inch Standalone Waterproof Android Smart Watch with Wifi, GPS, 2.0MP Camera and GSM/3G WCDMA Sim Support - Silver HIGH CONFIGURATION: With Android 4.4.2 OS which supports most of popular applications. 512MB RAM and 4GB ROM. 2.0MP camera on the side STANDALONE SMARTWATCH PHONE: Designed to be used independently without the need of a smartphone. Support T-Mobile SIM card 3G WCDMA, wireless communications combined with WIFI CONVINIENCE and MULTI-APPs: Cell phone, MP3/MP4 player, camera, media player, GPS, sports Pedometer Heart Rate Monitor all in one. It supports G-sensor, Bluetooth 3.0/4.0, mic, hands free speaker, Ebook, Email, messaging, wallpapers, calendar, calculator, clock, google play store and so on STYLISH and MULTIFUNCTIONAL: Silicone fashion watch band(width:22mm) combined with Luxury Stainless Steal, fit 5.51''-7.87'' wrist What you get: 1 x Smart watch; 1 x USB charging; 1 x User Manual; 1 x Screwdriver; 12 months Warranty and friendly service