Car Subwoofer Mini Sound Bluetooth Speaker

Specifications:

Product Dimensions: 2.44 x 2.44x 2.28 inches ;0.40lb
Loudspeaker: 16 Magnetic core
Material: ABS/Aluminum Alloy/Silicone
Speaker Color:Black/Golden/Red/Blue/Pink
Batteries: 1 Lithium ion batteries,3.7V/600mAH. (included)
Input voltage: 5V
Output Power:3w THD+N≤1%
Loudspeaker: φ55mm,4Ω,3W
Signal-noise Ratio:68DB±2DB
FM radio:87.5MHz-108MHz
Bluetooth Type:Bluetooth 3.0+EDR
Bluetooth Communication Range:Up to 33 FT (10 M)
Charging Time:2-3 Hours
Working Time: 3-5 Hours
Adapter:Micro USB Port, 3.5 mm input Port,TF/SD Card

Function Mode: Blue Tooth,TF card,Microphone,USB Disk,AUX IN,FM Radio

Packages: 
1x USB Charging Cable
User Manual is on the box
1x Speaker