| Restocking Fee | No |
| Return shipping will be paid by | Buyer |
| All returns accepted | Returns Accepted |
| Item must be returned within | 14 Days |
| Refund will be given as | Money Back |
| Regional Regulation Pre-Certified | FCC, IC, CE , Telec(MIC), KC, RCM, SRRC, NCC |
| Operating Temperature | -40°C ~ 105°C |
| Serial Interfaces | QSPI, USB, 12C, SPI, UART, 12S, PDM, PWM, NFC |
| Memory | 256 kB flash + 64 kB RAM / 1 MB flash + 512 kB RAM |
| RoHS & Reach | Compliant |