1. listening to the song correct, support songs and call2. 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;3. Power capacity will show on your Iphone, you can see the power situation anytime, do not worry about the electricity ,make your life without worry;4. One to two connections, can be connected to two mobile phones at the same time5. Bluetooth headset connected to the phone after the shutdown , and then open the Bluetooth headset will connect back to the phone automatically , more convenient;6. Intelligent compatibility: support all Bluetooth mobile phone, tablet, notebook, singing it, QQ music, movies, etc., universal all mobile phone* HD Audio: SBC* Bluetooth Version: Bluetooth 5.0* Bluetooth Distance: 10M* Earphone Charge Time: 1.5 Hours* Charging Box Charge Time: 1.5 Hours* Touch Control* Support Smart Noise Cancelling* Qualcomm apt-X HiFi Sound* Power ON/OFF: Long-Touch 5 Seconds* Answer/Hang-up Call: Left/Right Earbuds Touch 1 Time* Reject Call: Long-Touch 2 Seconds* Play/Pause Music: Left/Right Earbuds Touch 1 Time* Volume +: Right Earbuds Touch 2 Times* Volume -: Legt Earbuds Touch 2 Times* Previous Song: Right Earbuds Long-Touch 3 Times* Next Song: Left Earbuds Long-Touch 3 Times* Voice Assistant/Siri: Left/Right Earbuds Long-Touch 3 Seconds