Bring bigger sound to any plan with the ACEFAST K3 Ultra. A 3-driver system with DSP and two passive radiators delivers strong bass and clear highs, rated 60W (up to 120W peak). With Bluetooth 5.4, TWS stereo pairing, and multiple inputs (USB/TF/AUX), it plays from almost any source. The 4500 mAh (11.1 V) battery is built for ≈19 hours of listening, while IPX6 protection and a carry handle make it ready for indoor parties or outdoor trips. Customize the vibe with RGB lighting and switch between Music/Movie/Outdoor EQ modes to suit your content.