Enjoy your free time anywhere!If you like the wireless high-tech product， you cannot miss this Universal Stereo Active Bluetooth Headphones Black. This stereo Bluetooth earphone can well reduce the radiation and give you healthier life. What′s more， this excellent stereo Bluetooth earphone allows you to make and receive phone calls at ease. It also enables you to listen to music or radio programs even when you are on the move or right in the office! The super long conversation time and standby time are sure to meet your needs. The stereo track and Hi-Fi sound quality will bring you 100% perfect hearing experience.                                    Features                True mobie music<br>    Ultra lightweight<br>    Convenient music and call control<br>    Universal Compatibility<br>    Ideal workout partner<br>    Durable<br>    Dimensions: 13 x 13cm / 5.12 x 5.12inch<br>    Weight: 202g / 7.13oz<br>    Adapter: 5.5V / 550mAh<br>                                                                                                Package Includes            1 x Universal Stereo Active Bluetooth Headphones Black1 x Adapter (Length: 1.6m)1 x Manual                                                            Extra Info            How to Activate a Bluetooth Headset:    Set you Bluetooth headset device to Discovery mode. To do this， usually you just hold down the control button for 3+ seconds until the light stays continuously lit. If the device asks for a pass codes for these devices are 0000 or 1234. Consult the user&acute;s manual of the device for the correct code if not listed here<br>  Set your phone or mobile device to find the Bluetooth device. To do this， go to settings and find the Bluetooth link. Activate the link (select Yes to activate)<br>  Set the phone to Find Audio Device mode. The phone will search and the Bluetooth device will register. Click confirms or OK<br>  Exit Settings mode on the phone. Your Bluetooth headset device is now connected and ready to use<br><br>For the charger:<br>If you need a EU charger， click here: US to EU Power Plug Converter Adapter<br>If you need a US charger， click here: EU to US Power Plug Converter Adapter<br>If you need a UK charger， click here: Universal UK AC Power Plug Adapter Converter