The Moki Rumblr Wireless Speaker is a durable, portable speaker, offering powerful 360-degree audio with dual bass radiators in a compact form. With an IPX7 waterproof rating, the Rumblr is your ideal speaker companion for any indoor or outdoor activity. On the go? The Rumblr gets a long-lasting 15 hours play time out of a 3 hour charge. Features you'll love: • IPX7 waterproof • Control panel • TWS Enabled • Micro SD play available • Carry handle