U-Shaped USB Sonic Toothbrush

Product size: 17 × 10 × 6 cm. Housing material: durable ABS plastic. Brush head: medical-grade food-safe silicone — soft, flexible, and naturally resistant to bacterial growth. Power source: built-in 400mAh rechargeable battery, charged via standard USB cable in approximately 2 hours. Full charge supports up to 30 minutes of intermittent use (e.g., 15 × 2-minute sessions). Operating voltage: 5V DC. Rated power: 5W. Waterproof standard: IPX7 — fully protected during rinsing, showering, or accidental submersion. Vibration speed: 48,000 rpm. Status indicator: blue LED pulses during charging, remains lit when fully charged. Three intelligently calibrated sonic modes — soft cleaning, deep cleaning, and gum massage — are selected via single-button press. Each activates a precise ultrasonic frequency band: low-frequency energy dislodges food residue; medium-frequency waves penetrate plaque biofilm; high-frequency pulses promote microcirculation in gingival tissue. An additional cold blue light mode runs for 15 minutes (auto-shutoff) to assist gradual whitening. All modes follow a strict 45-second timer, and the device stores your most recent selection to eliminate reconfiguration. Use protocol is simple: rinse mouth first, apply foam or liquid toothpaste directly to teeth or brush head, gently seat the U-form over teeth, then press to start. No wrist movement required — just light positioning and relaxation. Ideal for adults prioritising consistency, comfort, and minimal physical effort in daily oral hygiene — including those with TMJ discomfort, post-orthodontic sensitivity, or preference for sensor-based routines.