【HiFi Stereo Sound Quality】 Portable Bluetooth speaker with powerful 360° surround sound effect, DSP intelligent sound processing, digital algorithm, automatically enhance the bass, simulate the stereo effect, 15-watt internal and external dual magnetic speakers adopt SAM bass enhancement technology, according to the characteristics of the speaker, the audio signal is processed on time , To ensure that the speaker continues to work with high fidelity and high power. 【Bluetooth 5.0 Stable Transmission】 Compared with the Bluetooth 4.2 version, Bluetooth 5.0 can bring twice the data transmission speed. In terms of data transmission capacity increase, it can reach 800%. The speed is faster and more stable. It effectively reduces the playback delay and achieves stability without stuttering. No delay, propagation range ≥10M, compatible with all Bluetooth devices. 【IPX7 Waterproof And Anti-loss】 Fully enclosed cavity design, waterproof to IPX7 level, the speaker can be used normally after being immersed in 1M deep cold water for 30 minutes without being affected. Zinc steel surrounds and fixes, exquisite and stable, without fear of falling and being beaten, sealed and dustproof design, when you It can be used in harsh environments such as lakes, jungles, and deserts. 【Long-lasting Battery Life】 The 1800mAh lithium battery lasts for 24 hours. It is small in size but has a large capacity. After being fully charged, the medium power can last for 24 hours uninterrupted, allowing you to keep music day and night during travel, work, recreation, and outdoor sports. 【Mini Portable Size】 Portable and compact design, easy to grasp with one hand, with strong and exquisite hooks, the speaker can be hung on backpacks, bicycles, tents, branches or walls at any time, such as hiking, climbing, camping, indoor, outdoor , You can enjoy your own music anytime, anywhere.