- Wireless Bluetooth headphones with 5.3 technology for stable and fast connection - Ergonomic design that fits perfectly in the ear, lightweight and comfortable - IPX7 waterproof certification, protecting against sweat and rain during exercise - High-fidelity stereo sound with 13mm driver: deep bass and clear treble - Built-in HD microphone and curved bar to capture voice clearly during calls - Intuitive touch control to play, pause, skip songs, and adjust volume - Single or dual mode: use both earbuds or share one with another person - Long-lasting battery: up to 5 hours per charge and 30 hours total with case - Universal compatibility with iPhone and Android smartphones