2Pcs Bluetooth 5.0 Adapter Bluetooth Receiver Transmitter Wireless USB Adapter for Computer PC Lapt

Transmission distance: 20m ultra long transmission distance (no barrier), strong signalTransmission rate: 3Mbps, providing high-speed file and audio data transmissionUltra low delay and fast link, intelligent sleep energy saving, 24 bit check to resist interference, adaptive frequency hopping to reduce crosstalkFully downward compatible with Bluetooth 2.0, Bluetooth 2.1 and Bluetooth 3.0 specificationsThe original driver management software is easy to use, powerful, and supports multiple application expansionName: Bluetooth adapterBluetooth version: 5.0 downward compatibleSupporting profiles: network, dial-up, fax, LAN access and headset: Windows7/8/8.1/10/11Interface: USB2.0Symbol rate: 3MbpsReceiving/sending range: 10-20mcolor: BlackMaterial: ABSSize: 2.2 x 1.6 x 0.7cmPackage Contents:2 x Bluetooth adapterOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.