SHIDU M900 | Good Quality Loud Sound UHF Wireless Microphone Portable Waterproof Voice Amplifier (25W, Bluetooth 5.0, 2200mAh)

25W Output Power | UHF Wireless | Waterproof Design | Bluetooth Version: 5.0 | Battery Capacity: 7.4V 2200mAh | Play Time: 5–7 Hours | Charging Voltage: DC 9V 1.2A | Frequency Response: 80Hz–18KHz | Size: 138.2×108.3×51.2mm | Weight: 552g | Case Material: ABS+TPU | Working Temperature: −10°C to 45°C | Interface Function: TF Card / USB / Charging Port / MIC / AUX