SHIDU M2000 | Waterproof Voice Amplifier (30W, Bluetooth 5.0, 2500mAh)

30W Output Power | Waterproof Design | Bluetooth Version: 5.0 | Battery Capacity: 7.4V 2500mAh | Play Time: 5–7 Hours | Charging Voltage: 9V 1.2A | Frequency Response: 80Hz–18KHz | Size: 158.7×122.2×57.3mm | Weight: 744g | Case Material: ABS+TPU | Working Temperature: −10°C to 45°C | Interface Function: TF Card / USB / Charging Port / MIC / AUX