1. Product Name: 3.5MM Wireless Bluetooth Audio Receiver
2. Interface: 3.5mm
3. Are Plug and Play: Non-Plug and Play
4. External power supply: no external power supply
5. transmission rate: 3 (Mbps)
6. Effective working radius: 10 (m)
7. Bluetooth standard: 3.0
8. Operating Frequency: 2480 (MHz)

Technical parameters

1> Support A2DP V1.2.
2> Support CLASS 2.
3> 5V supply Mack.
4> Volume size: 50 * 25.5 * 11 mm.
5> a connection indicator lights, blue lights flash when there is no connection, the blue light stays on when connected.
6> Built-in lithium battery (180mA).

Features
1> classic design, perfect shape.
2> Long distance reception, open unobstructed areas up to over 20 meters.
3> to select the adapter plugged directly into the power supply can also use a computer (can be used on USB interface, power supply comes with the car).
4> built-in battery can be recharged to use, long battery life.
5> Support mobile phone, computer,headphone,  iPhone, iPad, MID and all other Bluetooth-enabled digital products.