Heavyweight sound: Premium 25-watt Audio is delivered by four professionally-tuned drivers and a digital signal processor to ensure every layer of Audio is delivered flawlessly. Boosted Bass: Exclusive BassUp Technology adds new depth to the soundscape, ensuring bass is deep and resonant even at low volumes. Extended playtime: play for up to 18 hours non-stop and use the built-in USB port to charge your devices while you listen.

【Bluetooth Speaker】▶ MIANOVA-22A speaker supports all bluetooth devices up to 30 feet for audio playback, AUX line-in, FlashDisk, TF Card, USB to PC and Laptop. It also supports speakerphone hands-free as a wireless speaker. 【RGB Color-changing LED Light】▶Speaker's highly integrated chipset provides 6 different color-changing themes. You can choose any color you love or let it change or oscillate automatically. 【Long Play-time with 2000mAh Battery】▶High quality 2000mAh Li-ion battery allows MIANOVA speaker to play up to 10 hours when LED light is off, 8 hours when LED light is active. Quick charging design only need 2 hours full of enegy.