Product Name: Power bank Color: black, white, yellow Material: PVC Package includes: 1pc cell phone power supply Product size: 135*68*25mm Lithium battery capacity: 20000mAh Product cell: Polymer aluminum cell 1.Mini volume large capacity 2. Gifts for men, women, boys and girls, couples, friends PD20W Fast Charging 4. Multiple security protection 5.LED large screen digital display 6. Lightweight and portable 7. Worry-free travel, can take a plane with you