Features:
Universal for all bluetooth-enabled devices such as iPhone/iPad/iPod， Samsung galaxy S4/S3/Note 2， other Android smartphones， tablet PCs， etc.
Can work as a wired s/peaker without bluetooth function by connecting it with 3.5mm AUX port of a car.
3.5MM aux line can also be connected with MP3， mobile phones， laptops， ect.
Support playing micro SD/TF card(up to 32GB) music files.
Support voice prompt function.
Built-in microphone enables you to answer a handsfree call.
Convenient buttons for volume(long press +/- button)， music and handsfree call control.
Offers a wireless connection range up to 10 meters (33 feet).
Wireless bluetooth connection， keeping you from the hassle of tangled wires.
Powered by built-in rechargeable battery via micro USB port.
Built-in rechargeable lithium battery.
With anti-skip bottom for stable placement.
Excellent bass sound quality， very simple operation and good performance.
Portable， fashion design， and fantastic blue backlit light effect.

Specifications:
Bluetooth version: Bluetooth 3.0
Receiving distance: 10 meters (Depending on specific phone and environment)
Frequency response: 150-20000Hz
Singal noise ratio of power amplifier: ≥ 75dB
Impedance: 4 ohm
Input voltage: DC 5V
Output power: 3.7V 500mAh 3W
Built-in battery: 3.7V 600mAh
Work time: 3 - 4 hours
Micro SD(TF) card: Support expansion up to 32GB (Card is not included)
Charging LED light color: Red
Backlit color: Blue
Body color: Black
Product size: Approx. 13.5 * 10 * 9cm / 5.31 * 3.94 * 3.54in
Product weight: Approx. 238g / 8.39oz
Package size: Approx. 16.6 * 11.7 * 11.5cm / 6.54 * 4.61 * 4.53in
Package weight: Approx. 342g / 12.06oz

Package includes:
1 * Bluetooth speaker
1 * 3.5MM audio line
1 * USB cable
1 * User manual