【Max 40Hours &Portable Power Bank】Table fan Power supplied by 4400mah(2*18650 ) rechargeable batteries max working time 40 hours .It's portable power bank to power mobile phones,Exclusive IC that charges the mobile power and operation of the fan togher. Pefect for stroller , camping out, picnicking sporst acitives . 【360 Degree Rotation& Stepless Speed】 This rechargeable desk fan supports 360° manual vertical flip to keep you enjoy the cool wind at every angle.High speed and lower noise (≤40dB), the speed can be stepless regulated even when powered by USB. 【Desk Clip on fan & Portable Fan】The clip fan and desktop fan are integrated,it can be placed or clipped to any position you want. Portable and handy 8.26*5.7*3.7 inches compact size, lightweightgreat for baby stroller and office, laptop, gym, outdoors, camping, trips, etc. 【Multi Power Supplied 】Table fan come with 2 rechargeable batteries and USB interface of computers, laptop, power banks, USB chargers,AC adapter and so on. It can work up to 40 hours on minimum wind（1500rpm), 4.5 hours on maximum wind(3800rpm) after fully charge .
【Aroma Difusser Function & Super Quite】 : Attached with aroma foam, can add essential oil/ insect repellents if in need.Built-in noise reduction motor provides strong wind quietly for a long time.Notes:Please confirm the direction of "+" first. The "+" direction of both batteries install in the direction of "+" at the bottom of the fan