The Baseus Eli Sport 1 Open-Ear Wireless Earphones feature open-ear design, 16.2mm drivers, Bluetooth 5.3, IPX4 waterproof rating, 30-hour battery life, and fluorescent ear hooks for visibility. Perfect for active use and clear audio.Features:-- Model No: Baseus Eli Sport 1- Connectivity: Bluetooth- Communication Distance: 10M- Special Features: Open-Ear Design, Bluetooth 5.3, 30-Hour Battery Life, Fluorescent Ear hooks, Stable and comfortable fit.