Adaptor Latest Bluetooth 5.0 version to offers high speed up To 3 mbps Wirele Transmitter Enables Long Range Connectivity Up to 20m in open space. Support dual-mode, low power, simple pairing, good anti-jamming features.Easy to Use & Carry,USB Bluetooth 5.0 Adapter Dongle Plug and Play. Ultra-compact, Easy Carrying and Space Saving.Low Delay for high-fidelity stereo sound, content transmiion without delays in transmitter mode. A low latency Bluetooth receiver is required.Bluetooth 5.0 USB Adapter can easily add Bluetooth feature for your computer, enables the computer to wirelely connect more Bluetooth devices such as Bluetooth headphones, speaker, keyboard, mouse, smartphone, tablet, printer, projector, gaming controller and more BLE (Bluetooth Low Energy) devices.Built-in Bluetooth 5.0 dual system, independent circuit design, more powerful performance, both Bluetooth can receive signals, Bluetooth can also transmit signals.Input voltage: DC / 5VTransmiion distance: about 8 metersInput interface during launch: 3.5MM + USBOutput interface when receiving: 3.5MMcolour: blackMaterial: ABS + metalsize: 25 x 11 x 42mmPackage Contents:2 * Bluetooth adapter2 * Audio cableOnly the above package content, other products are not included.Note: Light shooting 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.