| Schedule of property, equipment and software, net |
| | | | | | | As of December 31, | | | 2023 | | 2022 | | | US$ | | US$ | Machinery and R&D equipment | | 26,551 | | 16,997 | Molds and tooling | | 84,367 | | 79,963 | Motor vehicles | | 50,935 | | 15,586 | Office and electronic equipment | | 32,325 | | 17,271 | Purchased software | | 68,422 | | 49,905 | Leasehold improvements | | 35,506 | | 22,431 | Property, equipment and software | | 298,106 | | 202,153 | Less: Accumulated depreciation | | (66,258) | | (15,455) | Construction in progress(i) | | 122,769 | | 66,773 | Property, equipment and software, net | | 354,617 | | 253,471 |
(i)Represents the capitalized expenditures on the construction of corporate buildings, leasehold improvements, molds, tooling and R&D equipment under construction.
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| Schedule of allocation of depreciation expenses on property, equipment and software |
| | | | | | | | | Year Ended December 31, | | | 2023 | | 2022 | | 2021 | | | US$ | | US$ | | US$ | Cost of revenues | | 16,111 | | 38 | | 25 | Research and development expenses | | 3,238 | | 2,681 | | 1,626 | Selling and marketing expenses | | 18,350 | | 5,476 | | 61 | General and administrative expenses | | 17,258 | | 4,595 | | 344 | Total depreciation expenses | | 54,957 | | 12,790 | | 2,056 |
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