Specificaion: *Adjustable 4 speeds; For more information, please send us an email admin@efugroup.com. You can also talk on-line through the right side of our website by QQ/SKYPE/Alibaba!
*Different battary for optional;
*Oscillation function for optional;
*With rechargeable lithium battery--4000mAh;
*The battery can be recycled more than 1000 times
