[Powerful sound] Tribit's proprietary low-frequency boost technology, X-Bass. Equipped with two high-performance drivers, it resonates with an overwhelming deep bass sound full of three-dimensional feeling. [Bluetooth connection] Since it is connected via Bluetooth, there is no unnecessary wiring and it is convenient to carry. It is compatible with iOS, Android, Mac and Windows devices. Once paired, it will be paired automatically from the next time. [Completely waterproof IPX7] It is a fully waterproof speaker with IPX7 that can withstand up to 30 minutes at a depth of 1 m. It can be used in the sea, pools, camping, etc., without worrying about water. * It prevents malfunction from temporary moisture and is not suitable for use in water. 【Convenient Type-C Rechargeable】 Stress-free charging is possible with a USB Type-C cable. It can be played continuously for about 20 hours, so you can use it safely even when you are on the go for a long time, such as traveling or outdoors. [TWS compatible] Equipped with a wireless stereo function, if you combine two of these products, you can experience an immersive stereo mode. It also has an audiobook mode that allows you to listen to the contents of the book by audio.