Friendly Bluetooth Speaker

Speaker Specifications :
Working Range : Up to 10m
Working Time : 2 Hours
Dimension : 70x70x48 mm
Net-weight : 136 g
Loudspeaker Output : (Φ) 52mm
Frequency Response : 280 HZ-16KHz
Signal -to – Noise : > 95dB
Distortion : < 0.5%
Battery Voltage/Capacity : 400 mAh
Battery Charging Voltage : 5V+0.3V
Battery charging time : 2 hours