Otium Bluetooth Earbuds Wireless Headphones Bluetooth Headphones, Sports, Black Product Features True HD High Fidelity Sound: Update Bluetooth Headphones own latest Bluetooth 5.3 technology and IMPROVE acoustic components that produce incredible sound quality with deep bass and crystal clear treble.Also we have upgraded the bluetooth name from "Otium" to "U18", it will more conveniently to search and connect with the headphones. IPX7 Waterproof Rating: With ergonomic design and silicone ear hooks, wireless headphones secure stay on your ears, feel great to wear and will never fall out. Upgraded Waterproof Rating, 100% prevents ordinary splashing water and rain. Longest Battery Life: The new improved lithium polymer battery allows seamless enjoyment of music for up to 16 hours and 240 hours stand-by with a charge of only 1.5 hours. Neckband design prevents troublesome wires from tangling during your workout. Sound Isolation Technology: Connect seamlessly with all Bluetooth enabled devices up to 30 feet ?10m? away. With Noise Suppression Technology reduce background noise. So you can focus on your favorite music, no matter where you are. Foolproof Operation: Allows Skip/Play/Pause on your music tracks as well as all phone use without reaching your phone. Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!