Brand HUAWEI Colour Black Ear placement On Ear Form factor Over Ear Impedance 5 Ohms About this item 【140° Optimal Triangle for Secure Fit】 The earbuds are engineered to stay fixed on your ears during workouts, thanks to a 140° optimal triangle support and gravity balance design. The earbuds' C-bridge design is based on ergonomic analysis of over 10,000 auricle curves, and painstakingly optimised to ensure that it is as comfortable to wear as it is captivating to listen on 【Sterling Sound】 The innovative open-ear design keeps you aware of sounds in your surroundings, whether you're working out, at work, or just walking about 【IP57 Water Resistance】 HUAWEI FreeArc is Huawei's first pair of IP57 water resistant earbuds, and packs special water-resistant mics, which help keep rain and sweat at bay during running, cycling, yoga, and a lot more 【Ultra-Stable Calls】 Listen to music and field calls phone-free with the powerful long-range connections. Stay heard even when calling from outdoors, with enhanced noise cancellation and sound pickup, made possible by a prime dual-mic layout and smart triple noise cancellation 【Up to 28-hour Battery Life】Charge Faster, Listen Longer, Listen to music for up to 28 hours with a fully charged charging case, or up to 7 hours with just the earbuds alone. You can even enjoy 3 hours of listening on a quick 10-minute charge