1. TF, USB, with radio, BT function, EQ tuning, MIC input, TWS pairing function, 2. Comes with backpack strap; RGB light, colorful light, 5 buttons; 3. Horn unit 4 * 2; Power 8W * 2 4. Battery: 1800mAH/3.7V; 5. Product size: 358 * 163 * 196mm
