• Jet-inflate continuous work: with 5000 mAh battery, X9 Ace can inflate 8 tires in a single charge; Also this electric bike pump features a cooling system, allowing it to operate continuously for 25 mins without the need for any mid-session breaks

• All-in-one hose: this small bike pump combines the hose, body, presta and schrader valve into one unit; Just a quick rotation, and you can switch valves easily; Not only simplifies storage but also enhances portability; Moreover, with its 360° rotation hose, it allows for hassle-free installation of bicycle valves without any awkward angles or dead ends

• Compact but powerful: at palm-size proportions, X9 Ace delivers ultra-fast performance; With a maximum pressure value of 150 PSI and 10 L/min wind speed, it only takes 32 s to refill a 700 x 23 C tire (80-100 PSI); Top off a road bike tire (0-100 PSI) in 1 min and 32 seconds

• Auto shutoff: Once you've set your desired pressure, this bike pump takes care of the rest, automatically halting when the target pressure is reached, a great tire protection for your mountain bike

• What's in the box: within the package, you will find the versatile all-in-one device that combines the hose, presta and schrader valves; Besides the X9 Ace, a charging cable and the instruction manual are included