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Compact rectangular Bluetooth 5.3 adapter with LCD screen, matte black finish, optical RCA and 3.5mm ports

1Mii B03+ Bluetooth 5.3 Transmitter Receiver Car Electronics Accessory

SKU CH-5PR7-NK9QG MPN B03

Bluetooth 5.3 transmitter and receiver streams TV audio to two headphones or upgrades wired speakers, with aptX Low Latency, HD and Adaptive, optical, RCA and 3.5 mm connections.

  • Screen sizeModern
  • Labor warranty12 months
  • Adjustable subsonic filterAptX Low latency/HD/Adaptive, Compatible with Optical, RCA,
  • Cable typeFemale-to-Male
  • Audio channelsStereo
  • Electrical ratingModern
  • Dual transmitter and receiver modes for flexible audio setups
  • aptX Low Latency, HD and Adaptive codecs via Bluetooth 5.3
  • Connect two headphones or speakers simultaneously with Dual Link
  • Optical, RCA and 3.5mm connections for wide compatibility
  • Clear LCD screen simplifies pairing and volume control

Dual-Function Bluetooth Adapter

The 1Mii B03+ works as a transmitter to send TV audio to Bluetooth headphones or as a receiver to add wireless streaming to wired speakers. It suits households that want private listening without replacing their existing sound system. A clear LCD screen shows the active codec and volume level for quick adjustments.

aptX Low Latency and HD Codecs

The adapter supports aptX Low Latency, aptX HD and aptX Adaptive over Bluetooth 5.3 for synchronised, high-fidelity sound. Dual Link lets two pairs of headphones or speakers connect at the same time. Line-of-sight range reaches 230 ft outdoors and 70 to 100 ft indoors.

Optical, RCA and 3.5 mm Connections

Digital optical, RCA and 3.5 mm AUX ports provide flexible hookup to TVs, soundbars, PCs or stereo amplifiers. In transmitter mode the bypass function passes audio to a wired soundbar while headphones play wirelessly. The unit measures 3.94 by 3.15 by 0.79 inches and weighs 102 grams.

How it compares

Measured against everything we stock in Car Audio Accessories & Wiring, at today’s prices. Recalculated every night.

Price $65.99
Pricier than about 77% of the 2,768 comparable items (median $21.99).

Specifications

Product
Brand name1Mii
Model nameB03+
Product typeB03+
Performance
Effective rangeBluetooth 5.3, aptX Adaptive, aptX Low Latency, aptX HD, aptX, AAC, SBC, bluetooth, Bluetooth
Display
Screen sizeModern
Audio & video
Audio channelsStereo
Frequency rangeWith Screen
Audio inputs3.5 mm AUX, RCA, Optical TOSLINK
Headphone styleStereo
Ports & slots
Cable typeFemale-to-Male
Power
Electrical ratingModern
Power detailsCorded Electric
Size & build
Overall height3.94 L x 3.15 W x 0.79 H inches
Overall width3.94 L x 3.15 W x 0.79 H inches
Overall length3.94 L x 3.15 W x 0.79 H inches
Product weight102 g
Head unit size3.94 in × 3.15 in × 0.79 in
Main materialAcrylonitrile Butadiene Styrene (ABS)
Size or dimensions3.94 in × 3.15 in × 0.79 in
Compatibility
Compatible withDesktop, Laptop, Tablet, Headphone, Speaker, Transmitter Mode: Stream audio wirelessly from your TV, PC, DVD/Blu-ray player, or game console to Bluetooth headphones, Bluetooth speakers, or a Bluetooth soundbar., Receiver Mode: Stream music from your smartphone, tablet, laptop, or PC to a wired stereo system, soundbar, powered speakers, or other home audio equipment.
In the box
Included hardwareNo
More details
Adjustable subsonic filterAptX Low latency/HD/Adaptive, Compatible with Optical, RCA, 3.5 mm AUX Jack, Dual Link, with Screen
Cut out diameterStandard
Drilling requiredPlug In
Inner hole diameter for wireStandard
SNRWith Screen
Team affiliation1 Piece

Questions about this item

How does the 5.3 Bluetooth version affect audio latency when streaming to headphones?

The adapter supports aptX Low Latency, aptX HD and aptX Adaptive codecs, so compatible headphones receive high-fidelity sound with minimal delay for TV and movie watching.

What connections does the optical port allow in transmitter mode?

In transmitter mode the optical input carries digital audio from a TV, PC or game console to two Bluetooth headphones or speakers at once.

Will the 3.94 by 3.15 by .79 inch unit fit on a crowded AV shelf?

At 102 grams and less than an inch high, the compact adapter sits easily on most shelves and includes an LCD screen for quick pairing.

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