4. How to order?Please tell us the specific model, color, battery capacity, and the quantity that you need in the email. After we confirm all the detailed information, the PI(Performa invoice)will be sent for you to confirm the order. This order will effect when you finishedthe payments(Paypal ,West Union,T/T).5.Shipping:for sample: 3-5 working daysfor mass: 5-10 working days6. Service:a. battery 6 months,atomizer 3 monthsb. we will replace the broken parts with new parts in the next order if it’s unartificial damagedc. choose the cheapest and safest shipping companyd. track the order until you get the goods