1.bluetooth V5.0
2.Automatically connect the paired Bluetooth device after power on
3.Five minutes no device connection,automatic shutdown
4.Support bluetooth DSP technology of stereo music
5.Wake up voice assistant SIRI
6.bluetooth play distance 15 meter without barrier
7. bluetooth calling with DSP noise reduction
8.Can connect two mobile phones at the same time
9.Sync phone time 24H time dislplay