Sharper Image Powerboost Hot + Cold Dual-Temperature Attachment - Instant Heat Product Details ? INSTANT HEAT COLD: Switch instantly between soothing heat (115F) and refreshing cold (38F) for customized therapy. ? 6 TEMPERATURE LEVELS: Choose from six temperature settings to find the perfect level of relief and comfort. ? UNIVERSAL POWERBOOST COMPATIBILITY: Includes 3 adapters (18.5 mm short, 18.5 mm long, and 16 mm) to fit any Powerboost massage gun. Compatible with Powerboost Move, Powerboost Deep Tissue, Powerboost 2.0, Powerboost 3.0, Powerboost Max, Power Percussion, Powerboost Flex, and Powerboost Palm. Compatibility depends on the size of the attachment used by the massager (18.5mm or 16 mm). ? THERAPEUTIC BENEFITS: Cold therapy reduces stiffness, tension, and swelling, while hot therapy relieves pain, improves mobility, and speeds up recovery. ? LONG-LASTING USE: Enjoy up to 20 minutes of continuous use on a single charge for effective and efficient therapy sessions. 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.