SHIDU M803 Wired Voice Amplifier With 3-Inch Trumpet (25W, Bluetooth 5.3, 4500mAh)

Output Power: 25W | Model: M803 Wired | Bluetooth Version: 5.3 | Battery Capacity: 3.7V 4500mAh | Charging Voltage: 5V 1.5A | Frequency Response: 80Hz–18KHz | Trumpet: 3 Inches | Size: 114×135×50mm | Weight: 455g | Case Material: ABS | Working Temperature: −10°C to 45°C | Interface Function: TF Card / U-Disk / Type-C Charging Port / MIC