Description/Features: 1. Note taking of wrong questionsSay goodbye to messy knowledge points 2. Office notesCompatible with work plan and memo listDaily calendar and meeting notes can be easily handled 3. Take photos as you pleaseA good assistant to record life 4. Mini portableSmall body design , delicate and small 5. The function is continuously updatedPocket printer saves time and improves learning efficienc Specifications: battery: Built in 1200mah lithium battery Charging interface: 5V-MICRO-USB definition: 200dPi printing mode: Thermal / inkless printing Imaging mode: black and white Networking mode: Bluetooth ble 4.0 Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use Material: abs colour: Blue Package Contents: 1 x Printer 1 x thermal paper 1 x Charging cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.