Features of  single invisible earbuds 

1- Remind call number, the last call back, all intelligent Chinese and English voice prompts, boot, pair, shut down the phone power will be low voice prompts

2- main and secondary co-exchange, left and right earphones can be used alone

3- one key to clear the pairing, reduce the key after sale

4-  Intelligent compatibility: support all Bluetooth mobile phone, tablet, notebook, singing it, music, movies, universal all mobile phone ,etc.

5- pure cobalt battery, battery time of the headset is 2.5-3 hours (field test)

6- Bluetooth headset connected to the phone after the shutdown , and then open the Bluetooth headset will connect back to the phone automatically, more convenient.