About this product
Why the Otium Audio is the better choice in Bluetooth headphones? newest V4.1 + EDR for best stereo sound and superb bass sound. - IPX7 waterproof with Nano coating allows you to run in the rain or sweat-proof in the gym. never falls out ergonomic shaped ear hooks provided a comfortable listening experience. - operating distance of up to 30ft in open space and up to 10ft in inner space. best noise-isolating! unmatched by any other Bluetooth headphones.