Product Note: The product does not need the battery to start, manually rotate and press the start button. Due to the logistics of the product, the product comes without bubble liquid and you have to buy it by yourself
Remarks: 1. There may be slight chromatic aberration due to the lighting of the product 2. The product measurement is manually measured and allowed to have an error of 1-2cm 3. Due to the video shooting effect, the actual product shall prevail
