Description: Dual card dual standby function, also supports memory card expansion. Small size, big energy, easy to carry, does not take up too much space. Sync contacts, you can receive incoming call number or contact announcement. Built-in 300mAh battery, standby time up to 72 hours. It can be used as a pen or cellphone. It is also a useful voice recorder for your lectures, conferences, interviews, presentations and classes. Specifications: Material: Aluminum+Stainless Steel+Brass. Size: 137*21mm. Color: show as pictures. Battery:Real 300mah. Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Include: 1 * Mini Cellphone. 1 * USB Data Cable. 1 * Battery. 1 * Instruction Manual. 3 * Refills