Legazone 3 in 1 Outdoor Waterproof Bluetooth Speaker + Power Bank + Stereo Surround Sound Altavoz Loudspeakers Black and Yellow Legazone Speaker is the 360-degree speaker that drops bold, rich resonant sound in every direction with exceptional bass size. High-level IP67 waterproof rating certification, ultra drop resistance, waterproof, shockproof, dustproof, suitable for outdoor activities; Broadcom 2.1 mini compact, easy to carry, can be easily placed in a pocket or backpack Whether friends or outdoor activities, perfect sound for you pocketed keep them coming back The power supply comes with the mobile phone for emergency charging.Support TF card player . Support Bluetooth wireless hands-free calling function