Item Details:* 100% and high quality.* 2-in-1 Bluetooth and Receiver, as a Bluetooth Audio , it is specially designed for Audio devices (such as MP3, MP4, TV and PC, etc.) without Bluetooth function.You can connect the Bluetooth to audio devices without Bluetooth function through the included 3.5mm Audio jack, changing these audio devices to Bluetooth audio devices, and make it work with Bluetooth headphones and speakers.* BLUETOOTH COMPATIBLE: This Bluetooth audio adapter supports 3.5mm auxiliary audio and is also compatible with all smartphones, bluetooth audio devices (Bluetooth headsets, Bluetooth speakers, and more) and stereo equipment with audio input port. Audio. By preing the on on the center front, the receiving and transmitting device will begin pairing with the next Bluetooth device.* Receiver Mode: 2-in-1 design, by using this wirele adapter, you can send and receive all audio for free and easy. The allows your TV, AV receiver, Radio and other home audio source devices to stream music to your Bluetooth headphones or speakers; The receiver allows non-Bluetooth devices like your home stereo or AV receiver to stream music wirelely from your mobile phone / PC.Specifications:*Condition:100% New.*Model: RT01*Material: ABS*Technologies: BT5.0, A2DP, AVRCP*Operating range: up to 10m / 33ft (without blocking objects).*Pairing name: RT01*Charging time: 2 hours*Working Time: 12 hours*Power on: Pre and hold the on / off on until the LED lights up*Power off: Pre and hold the on / off on until the LED is off*Charging: Use the DC-5V charger and the micro usb charging cable. The red light turns on during charging. When the battery is fully charged, the red light turns off.*Switch mode:--RX: receive mode, indicator: blue LED--TX: transmit mode, indicator light: red LEDRX Mode:* The receive mode can be used in scenes such as home, car, etc., so that the speakers without Bluetooth function can have Bluetooth function and make wirele connection with mobile phones, tablets and other devices, and goodbye to wired restrictions.* In receiving mode, this product supports Bluetooth hands-free calling. When the mobile phone calls, short pre the M on to answer the call.How to use:1. First switch RT01 to receive mode (RX), pairing name: RT01, find RT01 in the phone's Bluetooth settings to pair. The blue light fes twice a second during the pairing proce, and the blue light fes once every three seconds after the pairing is succeful.2. Connect one end of the audio cable to the speaker's audio input and the other end to the RT01's audio, then you can play music.TX Mode:* Launch mode can be used on computers, TVs, and other non-Bluetooth sound source devices to help these devices stream sound to Bluetooth speakers, Bluetooth headphones, etc.* The TX mode will automatically search for other Bluetooth receiving devices (such as Bluetooth headsets, Bluetooth speakers, Bluetooth receivers, etc.), the red light fes twice a second during the pairing proce, and the red light fes once every three seconds after succeful pairing.How to use:1. Connect one end of the audio cable to the audio output of the devices and the other end to the audio of the RT01.2. Confirm that you are in TX (red light f) mode. The RT01 will automatically search for Bluetooth headsets or Bluetooth speaker pairing. After succeful pairing, sound from TV or computer can be transmitted to Bluetooth speakers and other devices through RT01 for playback.3. Bluetooth hands-free callingPackage Included:1x Bluetooth 5.0 Audio / Receiver Adapter1x Micro USB power cable1x 3.5 to 3.5 Cable1x User Manual