Model N1000 Color Black Dimension 133.1*59.6*19.1mm Weight 165g OS KaiOS Main Display 2.4-inch Display, 240*320 Resolution CPU MediaTek MT6739; Quad-core, Up to 1.28GHz RAM & ROM 1GB RAM & 4GB ROM; LPDDR3 & EMMC TF Card Expansion Up to 32GB Battery 3300mAh(detachable) Rear Camera 2 MP Speaker 1PCS;Smart-PA Rugged Rating MIL-STD-810H & IP69 Navigation GPS Card Slot Three; 2* SIMs / 1* SIM + 1* TF Card Earphone type 3.5mm jack Charging Type-C/Desk charging Dock WiFi 802.11 a/b/g/n Wireless BT V4.2 Connectivity WiFi 4(802.11 a/b/g/n ) 2G Band : B2/B3/B5/B8 3G Band : B1/B8 4G Band: FDD:B1/B3/B7/B8/B20/B19 TDD:/B40