4.5" Dual Sim Card Unlocked 4GLTE GSM Phone IPS Touchscreen Display. Quad Core -1.2GHZ Processor. Android 5.1 Operating System, Built-in 8GB Storage, Built-in 1GB RAM Memory, Built-in 4G LTE: Including the Latest Mobile Network Technology. Built-in Dual SIM Card Slots, 2.0 Front / 5.0MP Rear Cameras, Built-in Bluetooth Technology for Easy Wireless Pairing. Unlocked System: Ready to Use. Worldwide with Any GSM Service. Built-in FM Radio, Built-in GPS Navigation, Micro SD Card Slot (max 32 GB), Micro USB Connection Allows You to Transfer Files (included), Wi-I: 802.11b/g/n, Enables You to Connect to the Internet Wirelessly . Browse the Web, Watch Videos on Resolution: 854 x 480 Rechargeable Lithium Battery, Play and Share Your Favorite Videos, Photos, Music & Books . Audio Formats: MP3, WMA, WAV, OGG, FLAC, ALAC, APE, AAC, AC-3, DTS & More Video Formats: MPEG1/2/4, H.263/H.264, RMVB, WMV, VC-1, MVC, AVS, MJPEG. Picture Formats: BMP, JPG, GIF & PNG. Automatic Screen Rotation: Four-Direction Rotate Screen, 3.5mm Earphone Jack, Built-in Speaker and Built-in Microphone, Accessories: Micro-USB Data Transfer Cable, AC Charging Cable, User Manual, Protective Screen Film, Earphone/Microphone Headset.