Computer bluetooth switch No driver is required to switch the machine within 10 . One card can only be connected and paired by one mobile phone.PCl-E 1X interface, no need for power supply Thickened gold , more durable.A card can only be paired by one mobile phone. After the pairing is successful, other mobile phones cannot pair the card.Easy installation Connect to the power-on and reset pins of the motherboard. The pins are not divided into positive and negative.Made of high-quality materials, durable.Type: Computer Bluetooth SwitchInterface: PCI-E 1xControl : Mobile phone Bluetooth AppControl interface: power on/off/resetRemote control distance: 10 Size: 65.3 x 41mm (without bracket) line length 320mmPower consumption: Less than 0.05WMaterial: PCBcolour: blackPackage Contents:1 x Switch Card1 x CableOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.