[Long Battery Life] This small Bluetooth speaker has stable performance and low power consumption, can provide you up to 24 hours of playback. With a built-in 2500 mAh battery, it can be charged for approx. Play 480 songs continuously at 50% volume, so you can enjoy the music nonstop. Immersive sound quality: This portable Bluetooth box has three sound effect modes. By briefly pressing the on/off button when switched on, you can switch the EQ effect between singing voice, balance and bass. The built-in microphone allows you to make clear wireless calls via music box at a distance of 66 feet. Extremely waterproof: Whether at a pool party, listening to songs in the bathroom or playing by the sea, you do not need to worry about splashing the water, because this waterproof Bluetooth speaker is particularly suitable for any kind of water fun. Thanks to this waterproof function, it offers you more options for your indoor/outdoor events. Small music box Bluetooth are also excellent sauna accessories and camping accessories. Portable design: This mini Bluetooth box weighs only 7.4 ounces and is less than the size of a palm. This portable Bluetooth speaker is equipped with a hook that allows you to easily hang your music boxes anywhere. It is ideal for bathrooms, swimming pools, camping, kayaking, hiking and a variety of indoor/outdoor events, it is the best gifts for men, women. [Real Wireless Stereo & Stable Bluetooth Connection] The technology of the real wireless stereo supports simultaneous connection of two speakers under the same model via Bluetooth, a wireless stereo channel system from left and right to provide you with real stereo. In addition, Bluetooth 5.0 technology has stable and efficient signal transmission and is compatible with all types of electronic devices such as mobile phones, tablet PCs, etc.