Main function: RAM+ROM:1GB RAM + 8GB ROM Operating System:Android 6.0 Battery :1000mAh(Built in) Screen size:3 inch Material:Glass Body Backup wifi, gps, bluetooth: yes Size: 85*43*9mm "Bundle Note:RAM 1GB ROM 8GBStandard = 1*Phone+1*USB cable+1* Manual+1*Display protector+1* Phone case Add 4G TF card = 1*Phone+1*USB cable+1* Manual+1*Display protector+1* Phone case+1* 4G Memory cardAdd 8G TF card = 1*Phone+1*USB cable+1* Manual+1*Display protector+1* Phone case + 1* 8G Memory cardAdd 16G TF card = 1*Phone+1*USB cable+1* Manual+1*Display protector+1* Phone case+1* 16G Memory cardAdd 32G TF card = 1*Phone+1*USB cable+1* Manual+1*Display protector+1*Phone case+1* 32G Memory cardFrequency bands:2G GSM: 850/900/1800/19003G WCDMA:B84G FDD:B1/B5(Please check whether the local frequency bands is compatible with the mobile phone before purchasing)Language:English, French, Spanish, Portuguese, Italian, German, Dutch,Hungarian, Russian, Arabic, Greek, Romanian, Bulgarian,Turkish, Vietnamese, Polish, Hebrew,Czech, Persian,Japanese,Korean"