1Mii B03Pro Bluetooth 5.3 Transmitter Receiver for Home Stereo TV, HiFi Wireless Audio Adapter with Audiophile DAC & aptX Low Latency/HD/Adaptive, Long Range, Optical RCA AUX 3.5mm Outputs/Inputs






About this item

  • 【Bluetooth 5.3】Featuring the latest Bluetooth 5.3 and support for Qualcomm aptX Adaptive, aptX Low Latency, aptX HD, aptX, AAC and SBC decoding. NOTE: AAC is only available in receiver mode, while aptX Low Latency is only available in transmitter mode
  • 【Best-in-Class Audio】Built-in SABRE DAC which is widely recognized by audiophiles as the gold standard for audio performance, this allies perfectly with the Qualcomm chip. Allowing you to enjoy the superior resolution and detail, consistently deliver excellent signal to noise ratio 121dB. The true Hi-Fi Audiophile Digital to Analogue Converter DAC allows 1Mii HiFi adapter to decode and play audio files in all their lossless glory
  • 【Extend Long Range】Utilizing Class 1 Bluetooth technology and designed with dual antennas, 1Mii B03Pro Bluetooth transmitter receiver can achieve a range of up to 265ft (80m) line-of-sight in open air and up to 80-110ft (25-35m) indoors. *NOTE: Operation range can be affected by Wi-Fi routers, wireless TV adapter, physical obstructions like walls, metal obstacles etc. and also depends on receiving device
  • 【No Lip Sync Delay & Dual Stream】aptX Low Latency technology eliminates Bluetooth audio delay, and B03Pro supports dual link Simultaneously, pair with two Bluetooth headphones/speakers, both enjoy ultra-fast audio streaming. **Note: To achieve low latency ( <40ms delay), your receiving device must also support aptX Low Latency, or you may experience a 70-220ms delay
  • 【Mindless Operation】Simply plug audio cable and press the power button to start, the Bluetooth adapter will detect your Bluetooth device easily. Compatible with 99% of TVs, Bluetooth headphones or speakers, Home stereo system, supports Optical, AUX, RCA Audio outputs / inputs
  • 【NOTE】1Mii B03Pro Bluetooth Transceiver cannot work in both receiving (RX) and transmitting (TX) modes at the same time, the user must select one of the modes to use.



Q1How to pair with two sets of Bluetooth headphones or speakers?
A11) Set B03Pro to pairing mode (press and hold the Bluetooth button for about 5 seconds till you see red and blue light flashes alternately), set the first Bluetooth headphone/speaker to pairing mode, you'll see a solid blue on Bluetooth 1# (icon) indicator. 2) Set B03Pro to pairing mode again, then set the second Bluetooth headphone/speaker to pairing mode. you will see a solid blue on the Bluetooth 2#(icon) indicator.
Q2What shall i do if i can not get B03Pro Bluetooth Transmitter Receiver to pair with my Bluetooth Headphones or Speakers?
A21) Turn off Bluetooth on all mobile phones or PC in house (Make sure your headphone or speaker is not paired with other device automatically during the process of pairing B03Pro). 2) For first time pairing, make sure the pairing distance is within 1 meter. 3) If still cannot get them paired, set both B03Pro Bluetooth Adapter and your Bluetooth headphones or speakers to factory default.
Q3How to reset B03Pro?
A3Restore factory default of B03Pro by pressing Bluetooth button for about 10 seconds till all indicators flash once, then it gets into pairing mode with red and blue lights flashing, pair as normally.
Q4Why did I get voice lag when use this Low latency B03Pro adapter with my Bluetooth headphones?
A4To achieve low latency, your receiving device is better also support function of aptX Low Latency. Or, the receiving device might use another codec (e.g. SBC, aptX), resulting in a 70-200ms audio delay which may be noticeable by some users.
Q5Why are the Volume + / - of my B03Pro not working in TX mode, only works in RX mode?
A5In TX mode, take optical cable as the connected audio cable, the Volume + / - on B03Pro may not work if your device does not support Audio / Video Remote Control Profile. Change the optical cable to AUX 3.5mm or RCA audio cable, the volume buttons will work.
Q6Why is there a delay when B03Pro is connected to two aptX low-latency headphones?
A6In TX mode, support one aptX low latency headphones only. when paired with two aptx low latency headphones, the audio code will be aptX.
Q7After the TV is connected to 1Mii B03Pro, can my Bluetooth headphone or speaker sound simultaneously with the TV’s built-in speaker?
A71) For many models of TV, the built-in speakers might not work if you choose to use an external audio output device. This is a TV feature and its availability depends on your TV make and model. 2) But you can achieve simultaneous sounding function by getting a 1Mii B03Pro and wired EXTERNAL speaker, the TX mode of B03Pro has a unique function, which allows you to share the TV audio simultaneously with an Wired EXTERNAL speaker / sound bar and a pair of Bluetooth headphones.
Q8Is it compatible with AirPods?
A8Yes, it is compatible with AirPods, but it is INCOMPATIBLE with AirPods Pro 2nd Gen.