Bluetooth mini speaker

Model: GP-506

•  Power:1pcs x 2.4 max  
•  Signal To Noise Ratio:     >80dB
• Frequency Response: 20Hz-20kHz
• Distortion:        <10% 
• Battery Li-ion:     3.7v
• Battery Capacity:  500mAh
• Battery Charging Voltage: 5V 
•  Charger Time:5 hours max 
•  Last Time: 3hours (via bluetooth to play)
•  Last Time: 4hours (via audio cable to play) 
•  Driver Unit: 36mm, 4 Ohm ,2.4W
•  Dimension: 70x53mm
•  Power Indicator Light:Blue lights
•  Transmission Distance: 10m
•  Work Frequency:2.402-2.480GHz
•  Bluetooth Model: V2.1+EDR 
•  Transmission Power: bluetooth class 2
• Product weight: 0.170kg