... wind 3.Energy-saving 4.Environmental protection 5.Air quality tester 1.air cooling fan, SAFETY2.Low noise,soft wind 3.Energy ... -saving4.Environmental protection5.Air quality tester The Air Fan, no ... 8mFuntion:cool wind and fresh airNew Feature:LED/Air anion generator/Photocatalyst/Air quality testerMin.Order.Qty:500/1000PCSPrice range:US ...