Feature: 350mAh, long battery life of about 4 hours at most, 1 hours can be full; As light as 135g, soft ABS material,with a rope,easy to carry; USB fast charging, convenient and quick; Spray Fan combines the wind and water mist to bring a more passionate and cool experience. Specification: Material: ABS+TPE Color: White,Pink Battery: 350mAh/1.5V Power Supply: DC 5V/1A Charging Time: 1h Working Time: 3-4h Product Weight:135g Product Cell: Lithium Polymer battery Product Size: 117*40*29mm Fan Power: 1W Power Supply: USB Charging Package Content: 1x Portable Fan 1x USB Charging Cable 1x Instruction Book Packed Safely in a Retailed Box. Notes: Need to add mineral water, other water molecules are too small to be atomized, which will cause water leakage. Please allow slight dimension difference due to different manual measurement. Due to the different display and different light, the picture may not reflect the actual color of the item. Thanks for your understanding.