Features:

-Easy to use by connecting audio input line to change the common sound-box to Bluetooth sound-box
-Support digital products using Bluetooth,such as iPad, iPhone, Bluetooth cell phone, Bluetooth PC
-Complies with Bluetooth 2.0, Support A2DP V 1.2
-Transmission distance: not less than 10 meters
-Optional powered directly with power Adapter or powered by PC USB port
-Optional embedded battery which has long working life
-Convert your wired earbuds or headphones to wireless via Bluetooth
-Charge the rechargeable battery via any USB port for maximum listening
-3.5mm line-in jack allows you to play other external audio sources, such as MP3, MP4 etc.
-Adds the ability to listen wirelessly through your existing 3.5mm wired headphones
-Voltage: 5V DC
-Line Out: 3.5mm
-Support file: A2DP
-Connector:Standard Mini USB
-Transmission distance: Up to 33 feet (10meters)

Methods used:
Step 1: Bluetooth music receiver connects diretly to speaker with 3.5mm dudio cable.
Step 2: Enable the bluetooth function for the devices such as iPod, iPhone, bluetooth PC, cellphone, search bluetooth devices to find the bluetooth music receiver and connect it.
Step 3: After successful paring, music can be played by player without wires.

Specifications:
Original box: Yes
Color: Black
Item size: 60*35*15mm
Package size: 124*124*28mm
Net weight: 74g
Package weight: 85g

Packet content:
1 x Bluetooth Music Receiver
1 x Mini USB Power Cable
1 x Manual