Description
PCB thickness：1
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8GHz quad-core ARM Cortex-A72 CPU
KSB040 micro:bit Lithium Battery Board matatalab PCB thickness：1Lithium battery rechargeable battery extension board Buzzer Power switch Built in 140maH lithium battery micro usb charging https: youtu. be e2RCiFNIF9g
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
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