UNIWA 3 in 1 Electric Hair Oil Serum Applicator, Cordless Electric Hair Brushes, Scalp Massager Comb,Oil Dispenser Comb for Hair Need to know before buying:1.Please read the instructions carefully before use 2. Please charge for 3. hours before initial use and cannot be used while charging 3. It has automatic shutdown setting, will shut down after 5 minutes using 4. The bottom charging port should not be exposed to water, if gets wet please wiped clean or dry it by hair dryer 5. Please place in a ventilated dry place 6. The massage function of this massage comb is limited to vibration, no rotation
