Name: Aromatherapy machine Article number: ltao645570927407 Battery: Built-in battery Battery capacity: 300mah Power supply: usb charging Specifications: AI flagship (Gulong + Ocean + Flower) Display mode: Seat type Function: Category: Perfume for cars Voltage (V): 5V Power (W): 1w Smart Mode:long press for 3seconds to turn on. Aroma Mode:press the switch once Fragrance Mode:Press the switch again. Cycle in turn. press and hold the switch for 3 seconds to turn off. Colour:As Shown Material:Metal Package Contents: 1 * aromatherapy machine 1 * usb charging cable 3 * refill liquid 1 * anti-slip pad Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.