Cool down by 27 angles F in 1 second--- Feel instant cool with Coolify2 wearable air conditioners redefined Ku 2.0 Chip, which chills your whole body by 27 angles F in just 1 second. With two cooling plates, Coolify2s rapid cooling neck fan technology wraps around your entire neck, cooling every inch of skin. Coolify2 is the ultimate neck cooler! It 's a good choice as fathers day gifts. 360 angles airflow coverage ---Be fully refreshed from neck to face with Coolify2 personal fans immersive, 360 angles airflow. The bladeless fans four air ducts and dual-layer vents generate a high-velocity airflow across your neck and face. It 's a good choice as graduation gifts. 3 hours charge and 1.5-18 hours of cool---Experience up to 18 hours of cool air with just 3 hours charging. The setting mode you choose determines this portable neck fans battery life. The Coolify2 personal neck fan can function for 18 hours in fan mode 1, or 1.5 hours in cooling mode 3. LED Screen shows the battery life and setting mode. It 's a good gifts for women. Smart NTC temperature control for cooling and heating ---Aligning 0.1 AI precision temperature control with NTC technology, the Coolify2 cooling fan delivers reliable, even cooling or heating. With 3 cooling modes, a fan mode and heating mode, the Coolify2 small fan helps you stay warm in winter and cool in summer. It 's a good gifts for men. Cool that stays put as you move---From jogging to hiking, Coolify2 mini fan stays perfectly on your neck. Its unique C-shaped neck fan design ensures a secure active fit, while its premium silicone memory base flexes up to 160 angles, accommodating all neck sizes. It 's a good gifts for mom. 180-Day warranty and safety guaranteed ---Committed to your satisfaction, we offer a 30-day, no-reason refund and 180-day warranty.FCC/SDOC/DOE/CEC certified, it offers guaranteed safety. Included: Coolify2 cooling neck air conditioner, Type-C charging cable, carry case and instructions. It 's a good gifts for dad. Wonvin brand creations and products glow the essence of elegance and luxury.