Ultra-long 18.5h battery life 4000mAh high-capacity battery
The built-in 4000mAh high-capacity battery can meet long-time wireless use, running continuously for 18.5 hours at speed setting 1.
Power bank and socket charging methods: We recommend that you use the charging cable provided in the package to connect a power bank or socket with output of 5V-2A or higher (which must be purchased separately) to the fan for charging or use. To maintain battery performance, please fully charge the battery before storage.
*18.5h long endurance battery: Data provided by Xingyue Research Laboratory. The fan was able to operate for 18 hours and 33 minutes at speed level 1 without oscillation after a full charge. Test environment: 25°. The fan was able to operate for 3 hours and 54 minutes at speed level 4 without oscillation after a full charge. Test environment: 35°C, 50%
*As low as 34dB(A): Data provided by CHEARI (Beijing) Certification & Testing Co., Ltd. (China Testing & Inspection Institute For Household Electric Appliances). The noise level on speed level 1 is 33.7dB(A). The noise level on speed level 4 is 45.11dB(A). Report No.: WS1-22-0015.
*Wide-angle 90Â
*A chassis diameter of just 87mm:
*A net weight of only 0.67kg: