Specifications:

Dimensions :5.00*2.00*0.50cm
Bluetooth-compatible v3+EDR, Class 2
Support A2DP V1.2 (built in Mic)
Powered by USB 5V DC
Transmission Rate:3(Mbps)
Built-in microphone
Transmission distances of up to 10M
Sleep mode for energy saving
Support Bluetooth-compatible hands-free function
Up to 2 hours music playback or continuous
Wireless music receiver connects to 3.5mm headphone jacks
Use with home speakers, car,headphones etc.

How to Use:

1.Power on/off
Power on: Press and hold the ON/OFF button for 5-7 seconds until you hear a "ready
for connecting or a sound", it will auto connect the phone which was paired. Power off: Press and hold the ON/OFF button for 4-5 seconds until you hear a "Long be or red led".
2.Connect the receiver to your speakers With 3.5mm Male to Male Audio Connector or 3.5mm Male to Male Audio Cable to connect the speakers and the receiver (if no sound, Please make sure it was inserted completely).

3.Pairing
(1) Ensure the speakerphone is under OFF mode
(2) Pairing: Press and hold the ON/OFF button for 7 seconds until you hear the "Ready for connecting or a sound" (when you holding the button until you hear the voice report "Ready for connecting"). The LED indicator will flash between red and blue alternately. It is now ready for pairing.
(3) Activate your mobile phone's Bluetooth-compatible function and search for available Bluetooth-compatible devices by referring to your mobile phone user manual for details.
(4) Selet BT310REV from the list.
(5) When paring is completed, the voice report "connected or short bebe" The LED indicator will flash Blue alternately.

Compatible With:

For iPhone 3G, 3GS, 4,For 4s, 5, 5c and 5s, 6, 6 Plus
For iPad 1, 2, 3, 4, Air, Mini1 and 2
For Laptop and PC with Bluetooth-compatible 2.1 and above
For S amsung,For H TC, etc, all other Android 2.1 (and above) devices with Bluetooth-compatible
Smart-phone with Bluetooth-compatible 2.1 & above

Package Included:

1 x Bluetooth-compatible Music Receiver Built-in Mic
1 x Micro USB Power Cable
1 x 3.5mm Inlet Socket