A:Answer Your LG - TONE Pro Wireless In-Ear Behind-the-Neck Headphones - Blue, Model # HBS-770 may not be turning due to it not being charged. If the internal battery is defective, it will not accept a charge. Your headset has a Limited Manufacturer's Warranty of One (1) Year from the date of original purchase and you wouif you are still in warranty, you will need your receipt or bill of sale as proof of purchase for a repair of replacement. Our Call Agents ate our Support Center (800) 243-0000, can provide you with an address for where you can send the headset for Warranty service...^IFV