【UPGRADED HIGH FIDELITY MUSIC QUALITY】Advanced Bluetooth with A2DP/AVRCP audio processing system let you enjoy High-Fidelity sound, faster pairing speed and stable connectivity, up to 33ft Bluetooth range. Eliminate stethoscope effect of all wired headphones and noise reducing. With built-in Mic, great for hands-free calling, listening to music, news, friends chatting, or working use. 【QUICK CHARGE WITH UNIQUE CHARGING BOX】Portable charging case is ultra-lightweight with large capacity Lithium batteries, which can support 6 times fully charging for the wireless earbuds and let you enjoy more than 5 hours continuous music or talking time after each single charge. Only takes 1.5 hours to fully charged. Never worry about low battery when you are out all day. Easy to carry, NO Loss. 【LATEST ONE-STEP PAIRING TECHNOLOGY】No need to press any button to activate the wireless headphones. This bluetooth earbuds can be automatically powered on and paired after taking them from the charging case. Meanwhile bluetooth headphones can also be automatically powered off and charged after putting back into the charging case. Simply one press to answer or reject phone calls, Bluetooth pairing, power on and power off, pretty easy to use. 【ERGONOMIC DESIGN & LIGHTWEIGHT】Super lightweight and the stabilizer design according to ear geometry to ensure a secure, comfortable fit for any ear. Anti-sweating material keeps the true wireless earbuds fully function even when dripping with sweat; offers sweat-resistant protection while running, biking, training, jogging, hiking, exercising with them in your ears. 【IP67 WATERPROOF】Owing to the success in IP67 Waterproof technology, our bluetooth earbuds has designed and provided favorable waterproof effect which can easily resist sweat and water. It’s absolutely ideal and perfect for gym, sport lovers and all kind of outdoor activities. (40)