<b>Why Do You Need an PERSMAX Dental Calculus Remover?</b><br> 1》Up to 36,000 vibrations per minute for perfect teeth cleaning.<br> 2》Effectively remove the stubborn dirt & tooth stains between the teeth.<br> 3》Effectively remove the dental calculus, plaque, tartar and scrape the stain on the tooth surface.<br> 4》4 adjustable modes, suitable for different gum needs, keep oral cavity healthy and bring fresh breath everyday.<br> 5》Made of Food grade ABS material and medical grade stainless steel for safe use.<br> 6》Save your money and time expenses by comparing with teeth washing in dental clinics.<br> 7》IPX7 waterproof makes rinse directly, safe and convenient.<br> 8》Small in shape and easy to carry, beautiful and generous.<br> 9》USB charging, convenient to recharge anytime.<br><br> <b>How to Use?</b><br> STEP 1： Press the Power Button to turn on the device. Choose suitable gear by pressing Up and Down buttons. <br> STEP 2： Looking in a mirror, apply the metal head to the treating part. Slightly press to remove any dental plaque or tartar. <br> STEP 3：The device pauses 1 sec every 30 sec and shuts down automatically after 2 minutes. Gargle with water and clean the device.<br> Repeat previous steps according to your need. <br><br> <b>Product Specification:</b><br> Applicable population: Adult<br> Cleaning head material: Medical grade stainless steel<br> Brush head material: Dupont Nylon<br> Product size: 11.5*19*4cm<br> Battery Type: 3.7V li-ion 800mAh<br> Charging Type: USB<br> Charging Time: Approx. 12hours<br> Working Time: Approx.70 minutes<br><br> <b>Package Included:</b><br> 1*Dental calculus remover<br> 2*Replaceable cleaning head<br> 2*Replaceable brush head<br> 1*Exquisite packaging box<br> 1*USB charging cable<br> 1*Dental mirror<br><br>