Features:
Allows you to customize your brushing experience with a choice of 5 modes. Choose White when you want to eliminate stubborn plaques and stains while pressing the Massage button to take care of your gum with inverted frequency
40,000 micro-brushes per minute gives you over a month's worth of manual brush strokes in less than two minutes. The powerful sonic movements whip up toothpaste into microbubbles, driving them deep between teeth and along the gum line for gentle, effective cleaning.
Comes with a 2 minutes smart timer, it automatically shuts off when two minutes is up. Remind you to change the brushing area by intelligently pausing every 30 seconds. Plus, the brush heads remind you to replace in time through blue indicator bristles.
The indicator bristle would fade in color to let you know when it's time to replace the brush head. 8 brush heads included, to offer well-rounded protection. Keep your brush heads hygienic and dust-free.
The advanced quick charge feature will save you time and energy! Fairywill D7 toothbrushes can be charged with mobile phones, PCs/laptops, car chargers and any devices with USB sockets.
Enjoy 30 days of long-lasting brushing enjoyment with just 4 hours of charging. It is designed to be completely portable and charged via a universal voltage 110V - 240V USB cable for maximum compatibility (adapter not included).

Specifications:
Material: ABS/TPE/Dupont nylon
Power type: Battery
Quantity: 2
Bristle stiffness: SOFT
Voltage: 110-240V
5 Models: whitening, cleaning, sensitive, polishing, massage
Vibration frequency: 40000
Waterproof: IPX7 waterproof
Brush heads: 8
Other accessories: 2 travel boxes
Charge: USB charging
Smart timer: 2-minute auto timer
Charging time: 4 Hours for 30 days
Gross weight: 0.46 KG
Packing size: 21x22x4.2CM

Package Includes:
1 x FW-D7 set USB Charge 5 Mode Smart Time Electric Toothbrush