| Summary of current and non-current portions of accruals and other liabilities |
| | | | | | | As of December 31, | | | 2024 | | 2025 | | | US$ | | US$ | Salary and welfare payable | | 12,941 | | 13,753 | Cloud infrastructure and IT related services fee payables | | 5,901 | | 8,313 | Membership fee to be refunded (2) | | 2,927 | | 3,748 | Professional service fee payables | | 2,072 | | 1,503 | Sales return allowances | | 1,254 | | 1,172 | Advertising and promotion fee payables | | 835 | | 1,055 | Payment from depositary bank, current (1) | | 3,067 | | 767 | Tax payables | | 1,221 | | 756 | Product warranty | | 251 | | 215 | Others | | 1,788 | | 1,979 | Total accruals and other current liabilities | | 32,257 | | 33,261 | | | | | | Other non-current liabilities | | | | | Payment from depositary bank, non-current (1) | | 767 | | — | Total accruals and other liabilities | | 33,024 | | 33,261 |
| (1) | The Company received reimbursement payment of US$13,053 and US$1,926 from a depositary bank in April 2021 and June 2022, respectively. The amount was recorded ratably as other non-operating income over a five-year and 46 months arrangement period, respectively. For the years ended December 31, 2023, 2024 and 2025, the Company recorded US$3,113, US$2,994 and US$3,067 in other non-operating incomes, net in the consolidated statements of comprehensive (loss)/income, respectively. In addition to above reimbursement, the Company received an additional reimbursement payment of US$1,186 and US$2,148 from depository bank for the transaction costs incurred and the amount was recorded in other non-operating incomes, net for the year ended December 31, 2024 and 2025, respectively. |
| (2) | Membership fee to be refunded presents the balances of refundable membership fee collected by the Group from its customers under the 2023 Membership Program (Note 2(r)). |
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