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Bluetooth module HM-BT22014L FM220U Finger Print Scanner 7V lithium-ion and lithium-polymer batteries
Bluetooth module HM-BT22014L FM220U Finger Print Scanner 7V lithium-ion and lithium-polymer batteries
Bluetooth module HM-BT22014L FM220U Finger Print Scanner 7V lithium-ion and lithium-polymer batteries
Bluetooth module HM-BT22014L FM220U Finger Print Scanner 7V lithium-ion and lithium-polymer batteries

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Description

Bluetooth module HM BT22014L FM220U Finger Print Scanner 7V lithium ion and lithium polymer batteries 7V lithium ion and lithium polymer batteries with this compact TP4056 based module while Bluetooth 4 It has three output terminals: L Out to which you can attach a wired earphone through a 3

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