Hanging neck fan $ 8.72 Product name: Free hanging neck fan Fan power: 2W (MAX) Battery capacity: 900mAh Use time: about 1.5-5 hours Product weight: body 70g, lanyard about 15g Product size: 1 20X75X22.5mm Charging input: DC5V=0.4A (off charge) DC5V=1.2A (power on third gear wind charging) Charging time: about 3 hours (DC5V0.4A) Executive standard: GB4943.1-2011