X01 Built-in Microphone bluetooth 5.0 Transmitter Receiver 2-in-1 Hands-free Calling Wireless Audio adapterSpecificationsModel: X01Technologies: BT5.0, A2DP, AVRCP (receiver mode only)Operation Range: Up to 10m / 33ft (without any blocking objects)Pairing name(Receiver mode ):X01Transmitter mode: red LED light is onReceiver mode: blue LED light is onNotes:1.This extremely portable, lightweight wireless audio transmitterreceiver is an ideal wireless audio solutionfor a wide range of situations and uses2.Transmitter mode:wirelessly streams audio from your non-bluetooth TV, home stereo system, or CD playerto your bluetooth headphones or speakers3.Receiver mode:wirelessly streams audio from your bluetooth-enabled phone, tablet, or computer to yourwired stereo, speakers, or headphones4.Mode switching:- If the device has been in a mode for a long time, it needs to be re-energized twice to switch to another mode.- If the device has just switched mode, you want to immediately switch to another mode, you only need to re-energize once.5.Pairing method:- RX mode: Pairing name: X01, findX01 in the bluetooth settings of the phone to pair. The blue light flashes during thepairing process, and the blue light stops flashing after the pairing is successful. Connect the product to the audio devicewith a 3.5 audio cable.- TX mode: TX mode will automatically search for other bluetooth receiving devices (such as bluetooth headset, bluetoothspeaker, bluetooth receiver, etc.), the red light flash