Welcome to our store! 1Material: Made of highquality stainless steel and aluminum. 2350mAh Portable yet reliable battery. 3You will get same as the picture. 4Comes with charger. 5If you have any questions, please contact us, we will actively solve the problem for you. Battery capacity: 350mah Color: black/steel/blue/red/white Interface: 510 interface, USB head charger Board: Click five times to turn on/off, click twice to preheat, click three times to change voltage 3.4V green light 3.7V blue light 4.0V red light Charging input voltage: 4.2V .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; } 1* Preheat battery1*USB charger (Customer Satisfaction) - is our priority. If you notice any problems with the products after receiving the goods, such as damaged goods or incorrect quantity, please contact us immediately. We will do our best to provide you with satisfactory after-sale service. Thanks for seeing me, I hope I can help you. Good life to you.