Stereo headset bluetooth earphone headphone mini wireless bluetooth handfree universal for all phone Features: 1.BT-01 is a advanced in-ear earphone by using short distance wireless communication technology. Designed especially for sports,No longer afraid of falling 2.The earphone can receive call by press the key, support voice reporting incoming phone number and the HD microphone make voice clear. 3.The earphone can control the voice of music and switch the songs.The most important of all is that the sound is really good! 4.It is amazing that the earphone can connect two bluetooth device in the same time and it have super capacity battery. You can listen to music up to about 3 hours and standby time is 100hours 5.Headphones can take pictures, so when you take pictures more convenient 6.The earphone support HFP, A2DP, AVRCP. 7.Before using the earphone, please read the instruction carefully in order to know the way to use it in safe and maintenance information. 8.Reconnect time is shorter, improves connection speed and adds intelligence, reduces the time to reconnect between devices, faster and smarter Packaging includes: 1pcs headphones 1pcs ear hooks 1pcs brochure 1pcs Charger Line Product Pictures: FAQ: How to open the earphone? Long press the function key, you will see the red and blue indicator flash, it is open successful. How to judge the battery is full charged? When charging, the indicator is red, when full charged,the indicator is blue. How to pair the bluetooth? When you open the earphone successful, open phone bluetooth, serch for “Bluetooth music” bluetooth. How to connect two phone in the same time? First connecting “A” phone, then turn off the bluetooth of “A” phone. Then connecting “B” phone and turn on the bluetooth of “A” phone. At last the “A” phone will automatically connect the earphone.