Sonic Electric Toothbrush for Sensitive Gums & Daily Travel – PTR-C4, PTR-C8, PTR-C9S IPX7 Waterproof Rechargeable Toothbrush

Many people suffer from gum bleeding, tooth soreness and enamel sensitivity when using high-vibration electric toothbrushes. Our full PTR series sonic electric toothbrush lineup (PTR-C4, PTR-C8, PTR-C9S) solves this pain point perfectly with adjustable low-soft vibration modes, ultra-soft USA Dupont bristles and IPX7 full waterproof design. Equipped with 2000mAh large-capacity 18650 lithium battery, all models support over 6 hours continuous brushing, ideal for home daily use, business travel and customized holiday gift sets for retail brands.

Why PTR Series Toothbrushes Are Perfect For Sensitive Teeth & Gums

• Multi-Grade Adjustable Vibration Intensity: PTR-C8 provides 3 strength levels (Soft/Medium/Strong) for each of 5 cleaning modes; PTR-C4 and PTR-C9S include independent Gentle mode with lower vibration frequency to reduce gum irritation and bleeding during brushing.
• Premium Rounded Dupont Soft Bristles: Over 60% rounded tip bristles, smooth surface without sharp edges, effectively remove plaque without scratching fragile gum tissue; bristles resist deformation after long-term hot water and toothpaste soaking.
• 2-Minute Gentle Timing System: Slow 30-second area reminder with soft 0.25s pause, avoids over-brushing single tooth area that causes gum recession; Whitening mode extends to 2.5 minutes with mild alternating vibration.
• ≤60dB Ultra-Quiet Motor: Low-noise motor design eliminates harsh buzzing vibration, comfortable for sensitive oral tissues and does not disturb family members early morning or late night brushing.

Long-Lasting Battery Performance – No Frequent Charging Trouble

All PTR-C4, PTR-C8 and PTR-C9S sonic toothbrushes adopt built-in 3.7V 2000mAh 18650 lithium-ion battery, with strict factory aging testing to guarantee stable power output:

1. Full charging cycle takes at least 4 hours via universal Type-C DC 5V 1A charging port, compatible with power banks, laptop USB ports and mobile phone adapters.
2. Full charged unit can run continuously over 6 hours without extra load, supporting weeks of daily twice-a-day brushing without recharging for travel.
3. Complete battery protection circuit: over-charge, over-discharge, over-current and short-circuit protection; auto lock charging status to prevent circuit burnout.
4. Multi-stage low voltage reminder: when battery below 3.5V, red light flashes and vibrates 3 times to prompt charging; auto power off under 3.0V to protect battery lifespan, recharge above 3.3V to restart operation.

Model Breakdown: Match PTR-C4 / PTR-C8 / PTR-C9S To Your Usage Scenario

PTR-C4: Single Button 5 Modes Cost-Effective Household Toothbrush

If you need a full-featured daily toothbrush with simple operation, PTR-C4 rechargeable sonic toothbrush is your best budget option. Single one-key control switches between Clean, Gentle, Massage, Whitening and Polish modes, built-in mode memory to save your last preferred setting. Red charging indicator light turns green for 30 seconds once fully charged. Compact 135.2g lightweight body fits all bathroom storage, perfect for family members with mild sensitive gums.

PTR-C8: 15 Modes Premium Toothbrush With Kids Lock & 3-Stage Power Display

Flagship model PTR-C8 sonic electric toothbrush targets high-end gift sets and users with complex oral care demands. Dual independent buttons (power + intensity) unlock total 15 customizable vibration combinations, adjustable soft low vibration for severe gum sensitivity. Unique child lock function prevents accidental triggering by kids, three white LED lights show real-time remaining battery during charging. 137.2g balanced weight delivers comfortable hand grip, widely matched with replacement brush head kits for holiday gift wholesale.

PTR-C9S: Minimalist 3 Modes Lightweight Travel Toothbrush

Frequent travelers choose PTR-C9S portable electric toothbrush for its minimalist design and light weight of only 135.2g. Simplified core modes: Clean, Gentle, Whitening cover all daily brushing needs, single button easy to operate without complicated adjustment. The vertical body will not slide off a 10° slope, easy to store in travel bags, cosmetic cases and airline travel kits. IPX7 waterproof and long standby battery make it the top choice for hotel supplies and short business trips.

Detachable Replacement Dupont Brush Heads – Easy Long-Term Oral Care

All PTR series toothbrushes feature standard detachable brush head design, compatible with universal replacement Dupont brush heads for long-term use:

• Standard brush head weight 5.2g, made of high-gloss ABS material, neatly cut soft bristles without messy stray hair.
• Installation & removal force controlled between 1.0kgf to 4kgf, firm assembly without loosening after 100 times plug-and-pull cycle testing.
• Recommend replacing brush head every 3 months to avoid bacterial accumulation and maintain optimal plaque cleaning efficiency.
• Mass customization support: custom color brush heads and printed logo for brand retail matching sales.

Strict Global Quality & Safety Certifications

Every PTR-C4, PTR-C8 and PTR-C9S electric toothbrush passes complete performance aging tests before delivery, including IPX7 30-minute deep water immersion, 1m height drop resistance, 20,000 times switch lifespan, 300 cycles battery charge-discharge and 18-hour continuous load brush head test. All products hold CE, FCC, RoHS and FDA certifications, fully compliant for cross-border e-commerce, offline retail and global gift export business.

Warm Usage Tips For Sensitive Gum Users

1. New users with sensitive gums are recommended to start with Gentle mode for the first 1-2 weeks to adapt to sonic vibration.
2. Rinse handset and brush head with running water after each use, place in dry ventilation area; avoid long-time hot steam shower environment to prevent internal circuit damage.
3. Do not charge the toothbrush continuously for more than 8 hours to extend lithium battery service life.
4. When the toothbrush enters low voltage reminder status, charge it in time to avoid deep discharge that shortens battery cycle life.

Custom Wholesale Cooperation For Gift & Retail Brands

We support small trial bulk orders and large container wholesale of PTR series sonic electric toothbrushes. Available customization services include handle laser engraved brand logo, custom shell color matching, personalized color box packaging and matched replacement brush head gift kits. Universal Type-C charging interface improves product market adaptability for all global consumer groups, whether for daily retail, holiday gift bundles or hotel travel kit matching.