1.How to connect with Cell phone : Long press the MFB key until " POWER ON " is heard . And turn on the mobile phone bluetooth ,click to search device until displays " U8 ", click " U8 ' to connect until " YOUR HEADSETS IS CONNECTED " is heard . Here, the connection is successful and short press the MFB key , you can enjoy your music . 2. 1 for 2 multi-point function connection : After connection with mobile phone #1 successful , turn off its bluetooth and long press the MFB key to turn off the earphone . Turn on the Bluetooth earphone again and turn on the bluetooth of the mobile phone # 2 ,search and find " U8 " , click to complete the connection . 3. Technical specification Bluetooth Specification: 4.1+EDR IPX7 Waterproof Rating Noise Reduction: CVC6.0 Transmission Distance: 33ft Battery: Lithium-ion Polymer 150mAh Frequency Response: 2.4 - 2.483 GHz Charging Port: Micro USB Charging Time: 1-2 Hours Playback Time: Up to 9 Hours Standby Time: 240h 4. Package Contents: 1* U8 Bluetooth earphone 1* Carring Case 1* USB Charging Cable 3* Eartips ( Small Medium Large) Note : One eartip set have been pre-installed in the earbuds . 1* Mini Wire Tie 1* User Manual
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