Product information :
Function: card, voice prompt, call function
Speaker unit double: speaker
Type: bluetooth speaker
Connection method: Bluetooth connection
Interface type: USB
Frequency response range: 100HZ-20KHZ
Built-in battery capacity: 2000mAh-4000mAh
Output power: 10W
Signal-to-noise ratio: ≥75dB
Power supply method: built-in lithium battery
Shell material: plastic
Box material: ABS
Colour: Black

Size Information:
Appearance size: 350*102*60mm

Packing list:
Speaker*1+charging cable*1+audio cable*1+packaging box*1