Tired of waking up drenched in sweat? The Bed Cooling System is engineered to transform your sleep environment. Unlike traditional fans that just move cool air around the room, our under sheet fans for bed targets the heat trapped between you and your mattress.Engineered specifically for hot sleepers, menopause relief, and those suffering from night sweats, this system delivers targeted airflow exactly where you need it. With an adjustable height up to 25.2 inches, it fits almost any American bed setup. Whether you are battling menopause hot flashes or just trying to lower your summer electric bills, this quiet, air-based system provides a safe and dry solution. Stop cooling the entire room and start cooling your bed—save on energy bills while enjoying a whisper-quiet, white-noise sleep environment. Easy to set up in minutes with no tools required, it’s the ultimate sleep-tech upgrade for couples and solo sleepers alike. 【INSTANT NIGHT SWEAT RELIEF & COOLING】 Stop the "sweat-wake" cycle. Our innovative bed cooling fan under sheets delivers a continuous stream of room-temperature air directly under your sheets to wick away moisture and trapped body heat. Bed fan under sheets is a game-changer for hot sleepers, menopause hot flashes, harsh summer heat,and those who wake up drenched. 【ULTIMATE UNDER SHEET COOLING】This bed fan cooling system rapidly evaporates sweat, creates a dry, refreshing microclimate that keeps your mattress perfectly chilled all night without feeling stuffy drenched. Unlike regular fans that just move warm air, our bed cooling system delivers a continuous, room-temperature breeze directly beneath your sheets. Chilled microclimate, ensuring you wake up refreshed, not drenched. 【ADJUSTABLE HEIGHT UP TO 25.2"】 Will it fit your bed? Yes! Don't be limited by standard bed fans.Our bed fans for cooling and sleep under sheets features an adjustable height design that supports a maximum height of 25.2 inches (64cm) from floor to mattress top. The tool-free, secure-twist assembly ensures a stable airflow nozzle tunnel and perfectly positioned to cool your body that stays in place all night long, even if you toss and turn. 【TOOL-FREE & EASY & SECURE-TWIST ASSEMBLY】 Tired of flimsy connections? Our Secure-Twist assembly ensures a rock-solid connection between pipes without tools. Keep components parallel and apply one full twist to align the threads perfectly—designed to stay in place even if you toss and turn all night. 【SINGLE-ZONE COMFORT FOR COUPLES】 End the "thermostat wars" for good. This bed cooling fan under sheets allows you to cool only your side of the bed, Simply route the airflow only to your side of the bed. You get to enjoy an icy breeze under the covers while your partner stays warm and cozy on their side. It’s the perfect no-compromise solution for couples with different temperature preferences. 【SAFE, QUIET & MASSIVE SAVINGS】 Forget about leaking water pads or noisy, stiff window AC units, our bed fan under sheets system uses safe, natural airflow. The motor produces a consistent white noise that lulls you into deep sleep, while saving you energy on summer electricity bills by cooling your bed, not the whole house,It is also an ideal gift for family members.