Description This fan wind adjustment is very flexible, and the bracket can be adjusted flexibly, which is very suitable for indoor blowing and cooling. Specifications: Mode: 3 speeds Working time: 150-180 minutes Power source: lithum battery Output power: 2.5W Battery voltage: 3.7V Capacity: 1500mah Charging time: 1.5-2 hours Charging current: 5V/05A Battery installation method: not removable Product size: 10.6 * 4.1 * 17.8cm Shape: round, square (optional) Ear shape: deer ear, rabbit ear(optional) Package Included: 1 pc * Fan Notes: 1. Please allow 0-1 inch error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from real object.