USB portable lanyard small fan hanging neck handheld mini leafless spaceman small fan Features: 100% brand new and high quality 3 mode speed regulation, You may adjust the fan speed by pressing the power button. USB Charging or battery power supply,USB charging from a computer, power bank, USB Charger, can be also powered by USB power source. Small and portable Mini astronaut fan can be put anywhere you want, great for home and office, laptop, gym workout, car backseat, outdoors, camping, trips, strollers and anywhere need cool wind. The wind that you carry with you is integrated into the creative functions of mobile games, blowing and chasing dramas, the game can be performed at the same time, summer travel, refreshing, and playing games Specification: Battery capacity: 900 mAh . Material: ABS + Silica gel Charging interface: Tape-C USB Charging time: about 1.1 hours Use time of 1/2/3gear: 4H/2.1H/1.2H Battery type: polymer battery Noise: below 36dB Working voltage: 5V Power: 2.8W Product size: 66mmx68mmx96.5mm Package Contents: 1X Fan Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.