GYNFJK Sonic Toothbrush - 2 Brush Heads 5 Modes USB Charging

Friendly Reminder: 1.New users may experience a tickling / tingling sensation, but normally will get used to it within 2 weeks. 2.Try all modes out during the first use and find out the most suitable one for yourself. 3.Replace the head every 3 months, which is recommended by dentists. And simply could use the used brush to clean the handle connection. 4.Do not apply too much pressure to the teeth or apply the bristles to one area for long time. Product Information: Name: Sonic electric toothbrush Vibration frequency: about 31000 times / minute Waterproof level: IPX7 Sound effect: <50dB Charging time: about 6 hours to full Bristles: 0.15mm, 3D curved surface Color: white, pink, black Battery specifications: 3.7v lithium battery, 2000mAh Appearance size: 270x30x27mm Working mode: cleaning / gargle / whitening / healthcare / sensitive Products Include: 1 toothbrush handle 2 brush heads 1 charging cable 1 user manual