[Enhanced bass with Hi-Fi stereo sound] These wireless bluetooth speaker with aluminum alloy bass diaphragm and 24W high power full frequency dual drive speaker to ensure high fidelity sound system, technology EXTRA BASS for powerful sound. The equalizer can be changed to 3 audio modes, Vocal, 3D Deep Bass and Extra Bass. are crisp, natural, realistic and without scratches [light in sync with the beat] The light of this bluetooth speaker will dance with the beat of the music. The light dancer flashes, phased and shines to the beat of the music, he gives every bass, midrange and treble music an excellent light rhythm. It is capable of producing awesome sound when gaming, listening to music, or watching movies, and you can turn off the lights anytime you meet your needs [Powerful waterproof speaker IPX7] This speaker with IPX7 waterproof. Resists rain, dust, snow and spills, sand and mud, can be soaked in water for a short time. You can bring bluetooth speaker portable to enjoy showering, swimming, on the beach or even in the rain, bathing anywhere. No worries about the weather and the outside conditions [Bluetooth 5.0 compatibility] Bluetooth 5.0 provides faster and more stable Bluetooth connectivity at a normal range of 66ft / 20m without signal interference. Is easy to pair with most Bluetooth enabled devices, such as Iphone, Samsung, MP3, TV, laptop. (True Wireless Stereo) technology provides separate left and right channels, lets you really enjoy cinema surround sound [16 hours of happy playing time] Portable wireless bluetooth speakers are powered by durable 3600mAh rechargeable lithium battery, can be played for over 16 hours per charge. Built-in microphone for hands-on calls free, light, can be transported easily. Ideal gift for family and friends