New Design Microphone bluetooth adapter for speakers

new design portable mini bluetooth wireless speakers for sale  Main Functions : 1.CSR4.0
2.Compatibility:works with most Bluetooth-enabled smart phones,tables,music devices,Bluetooth 2.1 or above. 3.Internal rechargeable Li-ion battery,single fully charge with 4-hours operating lifetime.
4. Voice prompt for convenient feedback during Bluetooth Mode.
5.Phone holder function. 6.TF card reader. 7.USB 5V/1A charge out for your smartphones and other portable devices. 8.Connectivity:     Audio Connections:3.5mm line in.       Bluetooth profiles:A2DP,AVRCP,HFP,HSP.       Bluetooeh range:line of sight,10M or 30 FT.        

Item No.	B3
Brand	"ascent" or customized
Special Features	Support AUX + Bluetooth + Micro SD + Charge out + Mobile Hands Free Function
Line in	Yes
Interface	Aux-in slot+DC-OUT,5V/1A+TF Card slot
Microphone	Yes
Hands-free function	Yes
Frequency response	60Hz-18kHz
speaker output	8W*2
Accessories	User Manual; USB cable; Audio cable
battery charging voltage	DC 5V
Signal to Noise Ratio	>75dB
Working voltage	3.7V-5V
Battery capacity	2200mah
Battery Run time	4hours
Bluetooth version	2.1
Color optional	red ,blue,black
Certification	CE, FCC, ROHS
Dimension	250*106*82mm (LxWxH