Bluetooth 5.0: Improved Battery Life and Wide connection range Sleek and modern design for comfort and usability Ergonomic button placement Earbuds in improved position for less cord interference Walkers Connect App compatible 4 frequency modes Omni directional microphones HD speakers for clear audio Micro USB charging cable Rechargeable lithium battery Retractable ear buds with no tangle cables Independent volume control 3 pairs foam tips (S, M, L) Flexible rubber neck band.