FLEXTAILGEAR TINY PUMP 2 Portable Air Pump

Purchased but only used once for testing.
The product contents are all that is shown in the photos.

Retail Price: Approximately ￥5,000

The following is a copy-paste of the Amazon product details:
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Color: Black
Brand: FLEXTAILGEAR
Item Weight: 80 Grams
Item Dimensions: 46L x 45W x 59H mm
Power Source: Rechargeable
Manufacturer: FLEXTAILGEAR
[Lightweight and Powerful] The portable air pump weighs only 80g and measures 45x46x59mm, making it mini-sized and easy to fit into the corner of a backpack or pocket.
[No Inflation Worries] It has enough power to reach an air pressure of 4kPa (0.58 PSI), allowing you to inflate multiple camping air mattresses or pillows on a single charge. Of course, it can also be used to deflate vacuum bags, making it more convenient. Please Note: Do not inflate balloons, basketballs, or tires.
[Excellent Battery] Despite its small size, it has a battery capacity of 800mAh, providing approximately 15 minutes of battery life. However, continuous use for more than 15 minutes is not recommended.
[Optimized Design and Structure] Our mini air pump combines aesthetics and practicality. The air inlet and outlet have been redesigned for easier operation. The exhaust and intake ports are placed at the top and bottom to improve ventilation and heat dissipation. Please Note: Double-click to start the air pump.
[Wide Range of Applications] The air pump comes with 5 nozzles, making it suitable for inflating various sizes of inflatable products such as air mattresses, pool floats, sleeping bags, inflatable furniture, and other inflatable toys. Please Note: This version of the pump does not have magnetic design, hook, or camping light functions.