High-Power Audio: up to 140 W RMS output with a 6-driver system (two woofers, two mid-range drivers, and two tweeters) for powerful, room-filling sound. Multi-Connectivity: Bluetooth v5.2, AUX, USB, and microSD (mSD) support so you can play music from phones, flash drives, cards, or wired sources. Built-In Battery: 6000 mAh rechargeable battery provides up to ~13 hours of playback (at ~50 % volume with LED lights off, default EQ). EQ Modes: Three EQ presets let you tailor the sound — including modes for deep bass, clear vocals, and balanced playback.Dual Passive Radiators: Improves low-end performance for richer bass output. Karaoke & Mic Inputs: Dual 6.3 mm mic inputs with a wired microphone included for singing, announcements, or live use. Visual Ambience: RGB LED lights add dynamic lighting effects and visual flair during playback. TWS Function: True Wireless Stereo (TWS) support lets you pair two R3 units for a wider stereo soundstage