USB Bluetooth Adapter, Universal Audio Transmitter/Receiver, Wireless

USB Bluetooth adapter, after insert into host, can connect any Bluetooth audio device, no need to buy bluetooth earphone again, wireless external loudspeaker, higher sound quality, better game experience. Support for A2DP/HFP. (A2DP: Sends music played on PC to Bluetooth earphone. Audio format: 44.1K sampling, dual channel, 16 bit width. HFP: Bluetooth earphone voice intercom. Audio format: 8K sampling, single channel, 16 bit width) Bluetooth adapter upgraded to latest version, stable performance. Perfect compatibility: suitable for any Bluetooth earphone. Made of high quality plastic and metal material, sturdy, and long service life. Small size and lightweight, easy to carry and store, convenient to use.