Product specifications Color: white, transparent green, purple, transparent gray Material: ABS Screen: 3.5-inch IPS full viewing angle, OCA fully laminated CPU：ARM-Cortea-A7 GPU: Quad-core ARM Cortex-A7 Storage: 256GB TF/Micro SD System: LinuxMore details Language: English Speaker: High-fidelity speaker TF card: Support TF card expansion, maximum 512GB Battery: Lithium polymer battery 3800mAh, lasts for 6 hours Charging: 5V/1.5A, support c2c charger Product weight: 300g .Package size: 5.1 x 3.2 x 1 inches