Audio NeckbandsHIFIMAN launches BW400 Wireless In-Ear Neckband HeadphonesdevicenextApril 14, 2021July 30, 2021 by devicenextApril 14, 2021July 30, 20210 HIFIMAN, the leader in high fidelity personal audio, introduces yet another around-the-neck tangle-free magnetic Bluetooth headphone BW400 in India. The BW400 is an extremely lightweight...