Features:
- Material : ABS - alloy
- Built-in 18650 lithium battery
- Function: Bluetooth, Echo Reverberation, Support USB/Micro SD,FM Radio, Self-timer
- Output Power: 10mW (Headphone output) & 5W'2 (Speaker output)
- Frequency Range 100Hz-10KHz
- Maximum SPL: 115dB 1KHz
- Battery Capacity: 1800 mAh
- Charging Power: DC 5V
- Battery Working Time: 3-5 Hours
- Unit Size: 80'80'230MM
Package includes.:
1 x Microphone