Emoi Smart Leaf Speaker

Specifications:
Input: DC 5V 1000mA
Output: DC 5V 1000mA
Battery: 3.7V/1750 mAh
Speaker size: 50mm
Speaker power: 3W
Frequency range : 70HZ – 18KHZ
Bluetooth: 4.0
Materials: ABS+Silicone
Size: 75x128mm
Weight: 176g
Charging time: 2.5-3h