Deep Kneading ,Full Comfort Experience. BAIRLYER Calf Massager Wraps with Heat Air Compression and Cordless Design. Cordless, Quiet &2500mAh Reachargeable. Adjustable Wrap,Fit for Most Sizes. Every Day Comfort Gifts for All. [2500mAh Cordless Freedom & 2.5H Runtime] Experience a relaxing massage for legs anywhere. Powered by a built-in 2500mAh rechargeable battery, this device delivers 2 to 2.5 hours of continuous use per charge. Enjoy whisper-quiet, uninterrupted relaxation without tangled cords, whether you are lounging on the sofa, working at a desk, or traveling. [3-Level Soothing Warmth (104°F - 140°F)] This leg massager with heat offers three precise temperature settings (40/50/60 °C ≈ 104/122/140 °F) made to melt away daily tension. The gentle, consistent warmth wraps around your calves, feet, or knees, providing a cozy sensation to unwind after a long day of standing or walking. [3 Intensities & Dynamic Air Compression] Engineered to simulate a soothing touch, our leg compression massager offers 3 adjustable intensities. Functioning seamlessly like compression calf sleeves, it delivers a gentle, rhythmic, hand-like kneading—rather than harsh vibrations—that naturally relaxes and revitalizes everyday fatigue. [11.8'-19.7' Adjustable Fit & 20-Min Timer] made to comfortably fit calf circumferences from 11.5 to 21 inches via easy-to-adjust velcro wraps. For maximum safety and to ensure restful legs, it has a smart 20-minute auto-shutoff timer, making it the nighttime companion for achieving everyday relaxation before sleep. [The Relaxation Gift by BAIRLYER] Beautifully packaged and easy to operate, this cordless massager makes an exceptional present for runners, commuters, or seniors.