Product parameters
Product name: Macaron Bluetooth speaker
Running time: about 4 hours
Charging time: 3-4 hours
Material: ABS plastic + feel oil
Driving device: 1*3.5 full frequency unit
Built-in battery: built-in rechargeable lithium polymer 400mAh
Frequency range: 520 Hz-18 KHZ
Color: yellow, blue, pink, green

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