High-quality stereo sound with powerful bass Supports MP3 and WMA music file formats Compatible with TF cards, U disks, and Bluetooth for calls and file playback, including FM radio functionality Supports external audio input from MP3/MP4 players, computers, etc. (AUX) Memory function automatically resumes playing the last song from the previous session IPX6 waterproof for outdoor use, portable with a convenient handle Supports 1+1 connection, RGB lighting, and visualized audio effects Specifications: Output Power: 10W External magnetic horn: 4 10W*2 Input sensitivity: 400mV Separation: 90dB Signal-to-noise ratio: 80dB Operating voltage: DC 5V Battery: 1500mAh 18650 Battery working time: 4-6 hours Horn size: 66mm*2 Diaphragm size: 65mm*1 Bluetooth solution: Jieli Bluetooth version: 5.3 Dimensions: 102*100*125mm Weight: 415g Package included: 1 x Bluetooth Speaker 1 x Charging Cable 1 x English and Chinese User Manual