SHIDU Voice Amplifier S619 With Wired Microphone Portable Speaker (16W, Bluetooth 5.0, 2000mAh)

Output Power: 16W | Model: S619 Wired | Bluetooth Version: 5.0 | Battery Capacity: 3.7V 2000mAh Lithium Battery | Play Time: 4–6 Hours | Charging Voltage: DC 5V | Frequency Response: 120Hz–18KHz | Size: 102.6×88×42.3mm | Weight: 215g | Case Material: ABS | Working Temperature: −10°C to 45°C | Interface Function: TF Card / USB / Charging Port / MIC / AUX