Specifications Model: ZF169 Technologies: BT5.0, A2DP, AVRCP (receiver mode only) Operation Range: Up to 10m / 33ft (without any blocking objects) Pairing name(Receiver mode ):ZF169 Transmitter mode: red LED light is on Receiver mode: blue LED light is on Dimensions: 32mm*17mm*8.5mm Package Content 1x Bluetooth 5.0 Audio Transmitter/Receiver Adapter 1x 3.5mm Aux Cable 1x User Manual

1. This extremely portable, lightweight wireless audio transmitter & receiver is an ideal wireless audio solution for a wide range of situations and uses 2.Transmitter mode:wirelessly streams audio from your non-Bluetooth TV, home stereo system, or CD player to your Bluetooth headphones or speakers 3. Receiver mode: wirelessly streams audio from your Bluetooth-enabled phone, tablet, or computer to your wired stereo, speakers, or headphones 4. Mode switching: a) If the device has been in a mode for a long time, it needs to be re-energized twice to switch to another mode. b) 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 a) RX mode:Pairing name: ZF169, find ZF169 in the Bluetooth settings of the phone to pair. The blue light flashes during the pairing process, and the blue light stops flashing after the pairing is successful. Connect the product to the audio device with a 3.5 audio cable. b) TX mode:TX mode will automatically search for other Bluetooth receiving devices (such as Bluetooth headset, Bluetooth speaker, Bluetooth receiver, etc.), the red light flashes during pairing, and the red light stops flashing after pairing succeeds. Connect the product to a device such as a TV with a 3.5 audio cable/RCA audio cable. 6. The ZF169 just 32mm across and weighs only 3.2g , but has got powerful wireless audio streaming capabilities. Slip this transmitter & receiver into your backpack or laptop bag and take it on-the-go without the slightest effort. 7. Broad Compatibility:With the included 3.5mm cable, this Receiver Transmitter adapter can widely be used on your computer, laptop, home stereo system, headphone, smartphone, Mp3 player, CD player, etc.

Please read the follow General Q&A carefully before placing an order or leave us a negative review.

Q1: Why i can not find the ZF169 in my computer? A: When you plug the ZF169 to your computer usb port, The computer's usb port just be used as a power supply for the ZF169. So the computer don't needs to see it, you just need to connect it with PC by 3.5mm AUX cable so it will work for PC. When using for PC, you must use TX mode(Red light blinking). Then pair with your Bluetooth earphone/speaker. Q2: Why i can not find the ZF169 in my smart phone bluetooth ? A: When you use the ZF169 to pair with your phone, you need to confirm the ZF169 was in bluetooth receiver mode (LED light should be BLUE blinking).If the light was red blinking,Its bluetooth transmitter mode ,not receiver mode ,so you can not find it in your phone. Q3: Why i can not pair with my bluetooth earphone ? A: When you use the ZF169 to pair with your bluetooth earphone, you need to confirm the ZF169 was in the bluetooth transmitter mode (LED light should be RED blinking). Aux should be connected with PC and ZF169. If the light was blue blinking,its bluetooth receiver mode ,not transmitter , so you can not pair with your bluetooth earphone. Q4: How to change between bluetooth transmitter(RED light) and receiver mode(BLUE light) . A: Red light was blueooth transmitter mode; Blue light was bluetooth receiver mode;The way to change the light was re-plug the USB device to your usb power supply. Q5: Why i connect successful,but its don't have sound? A: In transmitter mode(Red light): You need to use the 3.5mm audio cable to connect your TV/PC/Tablet with our ZF169. Noted, The 3.5mm cable should be pluged into your TV/PC/Tablet's 3.5mm audio output. In receiver mode(blue light): You need to use the 3.5mm audio cable to connect your Amplifier/wired speaker/car audio system with our ZF169. Noted, The 3.5mm cable should be pluged into your Amplifier/wired speaker/car audio system 3.5mm audio input. Q6: Can i use for my wireless keyboard/mouse ? A: Not support !! Our device only can be used as bluetooth receiver or bluetooth transmitter. Can not be used as a WiFi/Wireless adapter to connect with WiFi network and dose not work with keyboard / mouse. Q7: Can i use it to connect between phone and Amplifier/wired speaker/car audio system etc? A: Yes ,but you need to confirm your Amplifier/wired speaker/car audio system have 3.5mm audio output port. Q8: Can i use it to connect between bluetooth earphone/speaker and TV/PC/Tablet/CD Player/MP3/MP4 ? A: Yes. But you need to use the 3.5mm cable plug into your TV/PC/Tablet/CD Player/MP3/MP4's 3.5mm AUX audio port. Then connect with our device. Q9: Why when i connect with the ZF169, Its have noise or the sound weak ? A: Its because you used the USB Power supply can not suitable for ZF169, You need to change another USB power supply and confirm the USB power supply only support DC 5V output, Can not support 9V/12V or various output.