Bluetooth Speaker

Specification:

▪ Bluetooth Speaker
▪ Battery: 4000mAh
▪ Charging voltage: DC 5V
▪ Spaeker: 5W∗2 / 18W∗1
▪ Frequency range: 80Hz-20KHz
▪ SNR: ≥85dB
▪ Weight: 1700g
▪ Bluetooth version : V4.2
▪ Working voltage: 3.7V
▪ Transmission distance: 10m
▪ Distortion: ≤1％
▪ Size: 297x133x130mm