Avantree E171 - Aux 3.5Mm Wired Earbuds With Microphone In-Line Volume, Black Product Features [COMPATIBLE DEVICES] Works with devices equipped with a 3.5mm AUX audio jack, including older smartphones, laptops, PCs, and some tablets. Not compatible with Lightning or USB-C ports. [COMFORTABLE SNUG FIT PERFECT FOR WORKOUTS] An ergonomic design with 3 different sizes of silicone ear buds ensures the optimum fit for your ears. The ear hook design gives a secure fit making it perfect companion for running, jogging or the gym. We've carefully crafted these earbuds to deliver a well-balanced sound with solid bass and an emphasis on mids and highs. Note: if you're looking for extra-strong bass you might want to look into larger headphones. [MULTI-FUNCTIONAL IN-LINE CONTROL] The included in-line control can control music play / pause, adjust volume up / down, previous / next track; moreover answer / reject calls, activate voice assistant and call last dialed number. (Note: The built-in volume control does not work on PC, laptop, or iOS MP3 players, and the volume up button does not work on the Pixel 3A and Galaxy A9, S10, and Note 9.) [BUILT-IN MIC FOR CLEAR CALLS] Built-in microphone provides you crystal clear sound during call, whatever for phone call or VOIP call.You can receive calls easily whenever you are at gyms or walking on the street. 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!