C17 Bluetooth Pocket Mini Lab er 1. Mini Portable er: It can be placed in your pocket or bag, with a built-in 1000mAh rechargeable battery, it can be used for 6-8 hours or stand by for a week. 2. Download the "Fun ing" APP on your mobile phone, and you can choose from hundreds of texts, pictures, frames, forms, emoticons, and QR codes to meet your various needs in life. 3. Wide range of uses: This er is suitable for ing black and white photos, memos, manual teaching, work plans, shopping lists and other application subjects. It is an important gift for lovers, friends, and family members. 4. Battery: built-in 1000mah lithium battery 5. Charging interface: 5V-Micro USB 6. Resolution: 200dpi 7. ing method: thermal/inkless ing 8. Imaging method: black and white photography 9. Specifications of consumables: 57 x 30mm 10. Networking method: Bluetooth 4. 011. Dimensions: 8 x 8 x 3.5CM 12. Weight: 160gPacking list: host x 1, a roll of ing paper x 1, charging cable x 1, manual x 1