CPU: ZX297520V3E Wi-Fi chipset: SV6158 Memory: ROM/RAM: 1Gb NAND Flash/512Mb RAM USIM Slot: 1.8V/3.0V USIM 3FF Interface: MicroUSB interface Standard USIM interface MicroSD interface Power Button: Hold on 3s to power on/off Short press to wake up /Light the LED T CARD: Upward compatible to 32 GB Reset Button: Tactile button. Long press over 10s to restore the factory settings LCD Indicators: Power LED×2(Red & Blue) WLAN LED×1(Blue) SMS LED×1((Blue) LTE Connection Status LED×2(Red/Blue) Battery: 3000Mah lithium Battery Dimensions: 97*58.5*18.9mm Weight: About 100g