Datasheets
BES 2300YP SoC information:
Charging case:
- ThinkPlus Semi SY8821 Datasheet in Chinese
- WCH Tech CH342DS USB to Dual Serial ports chip Datasheet
- COPO CP2021 2.5W Qi Wire Power Receiver Datasheet (Unpopulated)
EarBuds:
BES 2300YP SoC information:
Charging case:
EarBuds: