NiceTQ Replacement USB Power Charger Charging Cable Cord For Brookstone Bluetooth Wireless Keyboard Pro Note: This is mini 5pin cable, if your device need micro usb cable, this item not fitting yours, please double check Compatible with Brookstone Bluetooth Wireless Keyboard Pro Connectors: A Male to B Male Device Cable Length: 3FT this cable connects your device to USB-ready computer or USB hub for power transferring.