Noise:≤ 30 Db(A)

and you may need to cable tie on the stems (grasses

And with a rechargeable battery

Note that this portable device cannot save any settings after a power outage because it does not have its own battery

Can be put on and removed within seconds

Giselle 34cm King Single Hybrid Mattress with Cooling Gel Memory Foam and Edge Support Hot Water Gas Heaters Noise:≤ 30 Db(A)Enjoy cooler, more comfortable sleep with the GISELLE BEDDING ESPORT SERIES Hybrid Mattress. Combining cooling gel memory foam with responsive pocket spring support, this medium firm mattress is designed to deliver the ideal balance of comfort, pressure relief and stability. The 5 zone support system helps promote natural body alignment, while motion isolating springs reduce partner disturbance throughout the night. Dual reinforced edge support