Product Name: Portable 4800mAh USB Rechargeable Neck Fan Item #: PRNF4800 Power method: USB Noise: 36-45dB Rated voltage: 5V Rate Power: 5W Wind speed: 3-speed Color: white, pink Battery: built-in battery 4800mAh Product Size: Product weight: 340g Duration time: 6-8 hours LOGO: accept to custom logo FOB Ningbo Price: Leadtime: days after deposit confirmed. MOQ: 500pcs Sample Charge: FREE Sample leadtime: 3-5days.