Features:
100% Brand new and high quality!
This model of speaker supports any mobile device comes with Bluetooth function
You can plug this speaker to any AUX (speaker) port such as laptop/computer and work as wired speaker without Bluetooth function.
The base and amplifier of speaker are very good in performance. 
The Bluetooth performance is very good and easy to connect. 
The latest driver model provides very reliable and solid connection between devices.
The speaker will power off auto if no enable device is connected
Support phone/laptop/Tablet PC /any Bluetooth device
Functions:
1.Wireless Bluetooth Input
2.Hand-free function， MIC
3.Play/pause， Line in
4.Vol. -/Previous song
5.Vol. +/Next song

Specifications:
Condition: brand new
Quantity: 1pc
Color: Black/Red/Blue
Size: 73.3*62.6*62.6mm
Input: DC 5V 1A
Output power: 3W
Output impedance: 4OHM 3W
Frequency responce: 120-18KHz
S/N ratio: ≥80%
THD+N: <1%
Bluetooth version: v2.1
Battery capacity: 800mAh
Charging time: 2-3 hours
Continuous playing time: 3-5 hours

Package includes:
1 x bluetooth speaker
1 x USB Charging Cable 
1 x Hook