[LASTING 12 HOURS MUSIC TIME]: --The Magic bluetooth earbuds can work 12 hours on a full charged. [PREMIUM HD AUDIO PERFORMANCE]: --A great sound-proof property makes noise reduction and immerses yourself when jogging or riding in Gym and outdoor activity. It is clear when in a noisy environment because of the High-Fidelity Sound. Enjoy clear hands-free calls with the build-in microphone from up to 33-feet away. [COMFORTABLE & STABLE FIT ]:--Ergonomically designed flexible ear hooks with 3-sized eartips to ensure fatigue free ears. Perfect for gym, running, climbing, dancing, jogging, cycling, driving, camping, hiking or any other indoor or outdoor sport activity. Advanced IPX7 nano-coating keeps the headphones protected against sweat and moisture, offering a nice feeling during exercising even in rainy days.