150PSI Portable Pocket Bike Electric Air Pump Schrader Presta Valve Road MINI Fast Rechargeable Compressor Tire Inflator CYCLAMI

Before use, please note if there is already gas in the inner tubeThere are 2 cases as below：Inflating a hollow inner tube: first connect the pump to the inner tube valve and then start the pump to inflate the inner tube.Replenishment of an inner tube that already contains air: start the pump first, switch on the inflation mode and finally connect the pump to the inner tube valve to inflate it.

About Your Shipment:Preparation Time: The delivery will take approximately 1 week after payment is made, and will be shipped via air express. Please ensure your address is correct when placing your order. If you need to make changes before shipment, please inform us of the updated address.Contact Us: We strive to provide excellent service. If you have any questions, please feel free to reach out to us. We will respond promptly and do our best to resolve any issues.About Guarantee: Failed to receive after 60 days of purchase date or not satisfied. We will either issue you a refund or resend a new item. Guaranteed!Why Buy From Us? 7 days Money Back Guarantee after receiving your order. 12 Month Manufacturer Warranty!Please note:If the address is a remote address it will be a little more charge postage than shipping options rate.