NeckbandsU&i Launches ‘Shuffle 4’ – Smart Neckband with 15-hour battery lifedevicenextNovember 11, 2021November 11, 2021 by devicenextNovember 11, 2021November 11, 20210 U&i Prime, a sub-brand of the parent company U&i has launched Shuffle 4 – the next generation Smart Neckband in three attractive colors Black, Green...