Spa apparatus comprising a hot tub (fig 2, 1001) and a lid device 1000, wherein the lid device comprises a lid 2 arranged to be moved from a first position covering the hot tub to a second position, where the hot tub is accessible； characterised in that the movement of the lid from the first position to the second position is arranged to be electrically driven and the apparatus comprises a transceiver. The device may contain rigid slats 73 to interlock during movement between first and second positions. It may contain a housing with an internal roller 75. It may contain Bluetooth speakers. It may contain studs 110 projecting from the hot tub surface and interfitting apertures 9 in the edge of the lid. It may contain a low-friction layered rail system to move the cover. The lid may be wheeled and have an insulative layer.
