1.Drive free Any Windows version is a drivefree installation
2.Headphone, audio, Bluetooth automaticpairing when turned on
3.This product is plug and play, and anyone from the elderly or childrencan use Bluetooth headphones and audio systemsFully automatic transmission when turned on in Bluetooth mode, nomanual operation required
4.Transmission distance :10 meters
5.Frequency range :2.402GHZ-2.480GHZ
6.Supported protocols :aptXLL, aptX, SBC, A2DP, AVRCP, AFH, HFP, HSP
7.Working voltage :DC4.2-5V
8.Input maximum current :1A
9.Maximum power :03W
10.Support USB PD specification version 2.0
11.Support all standard power supply configurations