What’s the difference or advantage of oladance Wearable Stereo B1?
oladance B1 is the world’s first open wearable stereo with a unique battery behind design. This innovative design provides several advantages. Compared with commonly used in-ear earbuds, it has all the benefits of open earbuds, like letting you hear the surrounding sound while listening to music, reducing hearing loss, and is comfortable for long-term wear. Compared with normal open-ear headphones,...