Opove M3 Pro 2 Massage Gun Deep Tissue Percussion Muscle, 70Lbs Stall Force Product Details Opove M3 Pro had sold more than 500,000 units all over the world since its launch. It has been widely praised by customers. M3 Pro 2 massage gun has a better performance with a favorable price. Professional-grade Performance - 12mm amplitude precise percussion deep massaging; max 70lbs stall force, 4-8 Hours long battery life; 5 speed range max 2500 RPM(revolutions per minute). Why don't we set a higher RPM for the M3 Pro 2 massage gun? Because high-speed percussions desensitize the skin, massage your muscle but make you feel pain. A reasonable percussion helps you solve the muscle problem and feel comfortable. Hidden Vents - Combining the pain points of previous product which feedback from customers, we redesigned the vents. The hidden vents can allow the device to dissipate heat better and enhance the durability of the device. Meanwhile, it can also prevent customers from being disturbed by the internal mechanical smell during use. With exquisite carrying case, it is convenient for you to store device at home, carry on travel, and prepare gift for your relatives and friends. Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.