New mobile phone amplifier audio mini inline small speaker computer universal external amplifier patent private mode 
 
Highest power: other
Color: Earth gold (loudspeaker), rose gold (loudspeaker), white (loudspeaker), black (loudspeaker)
Expansion interface: Other /other
Is there a radio function: No
Speaker cabinet material: engineering plastic
Packing volume: 47*47*33
Speaker effect: 3D surround
Display: None
Gross weight: 100 grams
Playback function: other
Wireless: no
Charging mode: mobile phone charger
Applicable people: General
Channel: 1.0
Battery capacity: 300 mAh
Input voltage: 5V
Mode of operation: button
With or without display: None
Impedance: 4 ohms
Condition: New
Whether with remote control: No
Sound classification: mini