Sanag audio, SANAG brand originated in England, and its product design has always been very avant-garde and has a unique luxury style. The model of M 1 1 barrel is very pleasing, and the big "+,-"signs have great visual impact. 5W high-power speaker +52mm bass diaphragm brings surging sound waves, allowing you to enjoy the shock brought by 3D sound effects. 1800mAh battery listens to music continuously 12 hours, and its endurance is MAX. The braided lanyard makes it easier for you to carry. It can be carried with you or tied to a backpack. With the wonderful outdoor music, IPX7 is waterproof and fearless of wind and rain. Bluetooth connection is convenient, and it also supports AUX and TF card playing, making an outdoor small artifact.