These S8 wireless headphones bring along up to 10 hours of usage time with the lightweight yet powerful 120mAh battery, IPX6 Waterproof suitable for sports, running, Gym, workout, travelling Bluetooth 5.0 brings along great data transmissions, when synchronized with your cell phone or other playback devices, you can answer calls or hear your favorite music without any delay Different size ear tips and ergonomic C-shaped ear hooks to make sure S8 earphones will comfortably fit any shape of ears The magnetic absorption abilities let earbuds easily merge together so they don't get slip off or tangled when not in use (41)