SHIDU S378 Wired Voice Amplifier With 2.5-Inch Trumpet (15W, Bluetooth 6.0, 4500mAh)

Output Power: 15W | Model: S378 Wired | Bluetooth Version: 6.0 | Battery Capacity: 3.7V 4500mAh | Charging Voltage: 5V 2A | Frequency Response: 100Hz–18KHz | Trumpet: 2.5 Inch | Size: 103×94×33mm | Weight: 184g | Case Material: Electroplating UV | Working Temperature: −10°C to 45°C | Interface Function: U-Disk / Type-C Charging Port / MIC