Output Power: 8W max.
Power Charging Input: DC 5V 2A
Frequency Response: 200Hz - 16kHz
Impedance: 4 ohms
Working Temperature: -10°C to 45°C
Battery: 2 x 3.7V 1200mah 18650 rechargeable lithium battery
Adjustable UHF Frequency Point: 630 - 690 MHz
Distance Coverage: up to 50 metres

Model: LY-055D
Product Dimension (cm): 19 x 24.2 x 7.3
Weight: 0.44kg

BT Mode Operation:
1. Turn the ON/ OFF/ VOLUME control knob to switch on the amplifier.
2. Press the "M" button and set to BT mode.
3. Search and tap on "Voice Amplifier" under connecting BT device (smartphone, laptop, etc.) synching function to begin synchronization between the BT device and the amplifier.
4. BT device is connected to amplifier once synchronization is achieved.