About this item [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 for running, jogging, or the gym. These earbuds 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. [BUILT-IN MIC FOR CLEAR CALLS] Built-in microphone provides crystal clear sound during calls, whether for phone calls or VOIP calls. You can recei