1、2 in 1 Design: This USB BT 5.0 adapter features RX receiver and TX transmitter 2 in 1 design, suitable for many devices. 2、LCD Display: This 2 in 1 USB BT adapter is designed with LCD display that can display 8 BT devices around you. 3、Easy Operation: This USB BT 5.0 adapter can be easily operated, long press the key to switch the mode. 4、Wide Application: This USB audio transmitter receiver can be widely used in your computer, laptop, home stereo system, headset, smartphone, Mp3 player, CD Player etc. 5、Durable Material: This BT5.0 receiver is made of premium plastic and metal material, strong and durable. Item Type: 2 in 1 USB BT Adapter Material: Plastic, Metal Color: Black Transmission Rate: 200 (Mbps) Effective Working Radius: 10 Meters / 11yd BT Standard: 5.0 Operating Frequency: 50 (MHz) Input Voltage: DC5V Product Size: Approx. 25 x 62 x 13.3mm / 0.98 x 2.44 x 0.52in ( Manual Measurement, Slight Error May Exist ) 1 x 2 in 1 USB BT Adapter