Note:The product is booting the default launch (TX) mode, while pressing down and down key to switch the receiving (RX) mode. SPECIFICATION: Product Name: 2 in 1 Bluetooth Adapter Bluetooth Name:T11 Bluetooth version: Bluetooth 5.0 Input voltage: DC or 5V Input interface: 3.5mm audio Transmission distance: 10 meters Size: 62X26X11mm Use range: This Bluetooth transceiver can be used for almost all audio input Digital products (3.5MM audio interface) Just link to the input. FEATURES: 1.NEW DESIGN: The first Bluetooth receiver with a LCD display screen has come. You can have all the information of the wireless streaming status from a simple glance at the screen. It shows Bluetooth connection status. 2.BLUETOOTH 5. 0 RECEIVER: Installed with Bluetooth 5. 0 chip, VIKEFON new wireless music receiver has an unrivalled performance with 2 times faster transmission speed, stronger connection stability and wider signal range of 10M than the older version. 3.BLUETOOTH COMPATIBLE: This audio Bluetooth adapter support 3.5mm aux audio, and also compatible with all smartphones, bluetooth audio devices (Bluetooth headphones, Bluetooth speakers and much more). 4.TRANSMITTER RECEIVER MODE: 2in1 design, by using this wireless adapter, you can send and receive all of the audio freely and easily. Transmitter enables your TV, AV Receiver, Radio and other home audio source devices to stream music to your Bluetooth headphones or speakers Receiver lets non-Bluetooth devices like your home stereo or AV Receiver and wirelessly stream music from your cellphone or PC. 5.CLEAR SOUND: A2DP support voice prompts, gets high-quality audio sound, offers you 30 feet operation range with good performance, gives you a good experience when answering the phone or watching late-night shows. In order to get clear sound, we recommend NOT using the 3.5mm Bluetooth transmitter-receiver while charging. 6.WIRELESS FUNCTION: Want to watch football or baseball or Boxing or Golf or NBA game late at night without waking anyone up This is a great chose for you. Bluetooth transmitter function wirelessly streams audio to Bluetooth speakers or headphones from your TV or older media devices like portable CD players that lack built-in Bluetooth. Package included : 1 X Bluetooth TransmitterandReceiver 1 X 3.5MM Audio Cable 1 X User Manual Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.