·Wireless Rechargeable mini wireless Negative ions brush ·On/Off switch ·Negative ions generator ·Fast heating 180℃ in 3min ·Ceramic coating ·Smart temperature control ·RGB LED display ·2500maH 18650 lithium battery ·Charge time: 4hour ·Use time: 50min ·Charging input:DC5V 1A ·micro USB charge port