L-598 Wireless Bluetooth Microphone Speaker

• Specification:

– Interface: AUX, TF, Micro USB
– Working time: MP3 mode: 4 – 5 hours, karaoke mode: 2 – 4 hours
– Charging time: 5 – 8 hours
– Bluetooth version: 4.0
– Bluetooth distance: 10m
– Output: 9W 
– Frequency range: 100Hz – 15KHz
– SPL: more than 87dB 
– Reverberation: echo
– Charging supply: DC 5V 
– Battery type: 18650 2000mAh battery ( included )