Warning For TPU inner tubes with resin valves,be sure to connect them with an extension air hose (available for separate purchase), or the valves maymelt due to overheating. Note 1.During the inflation process, the fuselage will gradually heat up. Please pay attention when using it for a long time. 2.During the inflation process, please press the air cylinder to the air nozzle by hand. If you hear a leak, please adjust the pressing posture or angle until there is no leak. 3.When the inner tube of the French mouth is inflated and the air cylinder is removed, there will be a sense of pulling. 4.In order to ensure your normal use, please keep the battery fully charged before use. About battery Please use a suitable charger to charge the air pump. The charging time is about 25 minutes. The indicator light flashes red when charging, and it will always light green after charging is complete. At full power, the air pump lasts for about 200 seconds. Product information Brand:ROCKBROS Product name:Mini electric air pump No.:42720011001 Material:Nylon shell Size:About 63.7*61.7*31 mm Weight:About 93g Battery capacity:7.4V*300mAh Charging method:Type-C 5V 1.5A Working hours:About 200s Chargeable air pressure:100Psi Warranty:365 days Product feature 1.Long-distance tire inflation during tire changes 2.Built-in pump for inflation 3.Rechargeable for repeated use 4.Compact size for easy portability 5.Despite its small size, it boasts impressive power. 6.Stable battery life for worry-free riding 7.Simple operation to quickly inflate an empty tire in a short amount of time

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