Initially charge hold for 12 hours for a full charge.
Hold can be charged by inserting the included 7 volt adaptor.
Fully charged unit will operate continuously for approximately four weeks between charges.
On/off switch is recessed and is located on the bottom side of the hold next to the charger hole.
On/off switch can be operated by inserting the enclosed metal bar or an unbent paperclip.
If cleaning, do not submerge the hold.