Material: Crystal glass Color: red,blue, frosted Connected by LINE-IN, become to a pair stereo speaker

Specification
Rated power:	PO=3W
Frequency Response:	60HZ-20KHZ
Distortion factor:	THD<0.5%
Signal-to-noise ratio:	S/N≥95DB
Separation:	≥55dB
Speaker:	60mm;4Ohms 3W
Battery:	3.7V/800mAH
FM:	76-108MHz
Bluetooth(optional)	SIG Bluetooth Association certified Bluetooth compatibleBluetooth V2.1+EDR version
Product Size:	78.8*53.5mm
Product Weight:	320g
Interface Spec
USB interface:	MINI USB interface;
	Connected to the computer, as data transmission, audio transmission
	LINE-IN interface,can be used as an external audio device audio input interface
	LINE-IN cable connect,two independent speakers can become to 2.0 left and right channel sound
Earphone interface:	earphone output interface
	LINE-IN cable connect,two independent speakers can become to 2.0 left and right channel sound
TF card:	Max to 16G

High quality Bluetooth speaker