Purchase instructions 1. Supply description Brand new high-end version, one to one, gift box packaging (except for extra large bags) with chip 2. About size Product sizes are measured manually, and there is an error of plus or minus 2cm, which is normal. 3. About color The products of this shop are all taken in real objects. The colors are paired by professional, which is the closest to the physical tank map. Because the color contrast and color temperature of the computer display are different. 4. About customer service The products of this shop are all taken in real objects. The colors are paired by professional, which is the closest to the physical tank map. Because the color contrast and color temperature of the computer display are different. 5. About after-sales Returns are supported within 7 days without any reason. Returns are not supported if the wristband film is removed or it affects secondary sales.When returning, please return it in a carton to avoid damaging the gift box.There is freight insurance, and the maximum subsidy for ordinary buyers is 10 yuan. 6. About delivery Our cooperative courier is Jitu Express, and you can send SF Express at your own expense.