3.54 x 3.54 x 1.2 inches

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【IPX7 WATERPROOF, EVEN FULLY SUBMERSIBLE】Can be fully immersed up to 1 meter for about 30 minutes underwater. Dustproof, Waterproof, Shockproof, Rainproof, Snow Proof. Perfect for Kayaking, Showering, Hiking, Camping. No worries about weather and outdoor condition, be the Rocker on your trip.
【INCREDIBLE PLAYTIME, UP TO 12 HOURS】INSMY waterproof Bluetooth speaker with the Built-in li-ion 1200mAh rechargeable battery guarantees up to 12 hours playtime at 70% volume. Charge time: within 3 hours. Enjoy music day to night never stop.