
Operating Instructions
Product Features
What audio codecs are supported?
Supports SBC/aptX/aptX HD/LL/Adaptive in TX mode and SBC/AAC/aptX/aptX HD/Adaptive in RX mode. To achieve aptX LL/AD/HD, your device (headphones/phone) must also support corresponding decoding.
Why is there still audio delay?
In order to achieve aptX low latency, your receiving device (headphones) also needs to support aptX low latency. Otherwise, your headphones will decode through other audio formats (such as SBC, aptX), causing audio delay.
When two Bluetooth headphones are connected at the same time, is aptX LL supported?
When two Bluetooth headphones are connected at the same time, aptX LL is not supported and will automatically be downgraded to aptX decoding.
Can it be used with musical instruments?
The Bluetooth transmitter is not compatible with musical instruments like guitars or pianos.
Is it compatible with hearing aids?
The Bluetooth transmitter is not compatible with hearing aids.


Double the Fun, Share Audio
Connect and stream to 2 Bluetooth headphones at once
Perfect for sharing audio with a friend
New User-friendly Screen
1Mii Bluetooth transmitter is the perfect gift for parents unfamiliar with complicated electronics
25H Playtime
Enjoy uninterrupted streaming all day
Perfect for movie marathons or music sessions
Operating Instructions
TX Mode: Power On and Pair
Plug into TVs/PCs/Projectors/CD players/MP3/Treadmills with 3.5mm Audio Output
NOTE: Connection issues are often caused by the headphones not being in PAIRING mode. Ensure your headphones are in PAIRING mode (indicated by alternating red and blue LED flashes). For more details, refer to the online user manual.
TX Mode
Pair with A Second Headphone
NOTE: When two Bluetooth headphones are connected, aptX LL is not supported and will automatically be downgraded to aptX decoding.
RX Mode: Pair with Your Phone/Tablet
Plug into Home Stereos, Wired Speakers, Car Audio with 3.5mm Audio Input
Troubleshooting: Reset
If 1Mii Bluetooth transmitter receiver cannot connect or is not working, please reset it.
Product Features
| Type | 2-IN-1 Bluetooth Transmitter Rceiver |
|---|---|
| Bluetooth Version | Qualcomm Bluetooth 5.3 |
| Supported Audio Codecs | TX: aptX Adaptive, aptX HD, aptX Low Latency, aptX, SBC. RX: aptX Adaptive, aptX HD, aptX, AAC, SBC |
| Audio Latency | aptX Low Latency:30~50ms, aptX Adaptive:50~80ms, aptX HD:150~200ms, aptX:100~150ms, SBC:150~250ms |
| Compatible | TVs/PCs/Projectors/CD players/MP3/MP4/Treadmills with 3.5mm Audio Output Jack; Home Stereos, Wired Speakers, Car Audio with 3.5mm Audio Input Jack |
| Incompatible | Musical Instruments, Hearing Aids |
| Playtime | 25H |
| Charging Time | 1.5H |
| Operating Range | 15m |
What audio codecs are supported?
Supports SBC/aptX/aptX HD/LL/Adaptive in TX mode and SBC/AAC/aptX/aptX HD/Adaptive in RX mode. To achieve aptX LL/AD/HD, your device (headphones/phone) must also support corresponding decoding.
Why is there still audio delay?
In order to achieve aptX low latency, your receiving device (headphones) also needs to support aptX low latency. Otherwise, your headphones will decode through other audio formats (such as SBC, aptX), causing audio delay.
When two Bluetooth headphones are connected at the same time, is aptX LL supported?
When two Bluetooth headphones are connected at the same time, aptX LL is not supported and will automatically be downgraded to aptX decoding.
Can it be used with musical instruments?
The Bluetooth transmitter is not compatible with musical instruments like guitars or pianos.
Is it compatible with hearing aids?
The Bluetooth transmitter is not compatible with hearing aids.
























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