5.1 USB Bluetooth Adapter for PC 5.0 Bluetooth Dongle 5 0 Module Key Receptor BT Transmitter Aptx Receiver Audio for Computer Feature Bluetooth adapter 5.1 + EDRThe Bluetooth USB adapter uses the latest upgraded Bluetooth 5.1 + EDR technology. The anti-interference ability and stability is enhanced, and the transmiion efficiency lo caused by interference in the 2.4 GHz frequency band is reduced.More Stable ConnectionThe Bluetooth 5.1 dongle has a more stable connection with transmiion rate of up to 3Mbps. The configuration of Bluetooth low energy (BLE) and dual-mode Bluetooth transmiion can obtain faster data transmiion speed. The transmiion distance can reach up to 20m in an open place.Wide Range of ApplicationsThe wirele Bluetooth adapter can connect multiple devices, such as Bluetooth speakers, keyboards, headsets, and mice. You can make full use of the Bluetooth adapter to wirelely transfer files while enjoying music.Ultra-Small SizeThe stylish and compact design makes the Bluetooth receiver perfect for placing on a laptop or PC without even noticing it. You can easily carry it on your laptop without blocking the USB ports next to it.System supportUSB Bluetooth adapter only supports Windows 11 / 10 / 8.1 / 8 / 7 (Not support Mac, Linux, TV, car stereo, PS4 or xbox). Driver is required. Backward compatible with Bluetooth 4.2/4.0/3.0/2.1. Specification 1.Mini USB Bluetooth 5.0 adapter with high speed up to 3Mbps.2.Bluetooth low energy Wirele USB Dongle.3. Dual-mode Bluetooth transfer.4.Low-power selectable 1.2 to 3.6 VI/O.5.Supporting Bluetooth voice data.6.Supporting multiple languages.7.Compatible with Bluetooth v1.2/2.0/2.1/3.0/4.0/5.0 NOTE 1. It can NOT work in car stereo or TV !!!2. Can only be used on computer.3. The bluetooth 5.1 version do not support Mac OS Linux system.