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Compact Bluetooth 5.4 transmitter receiver with 3.5 mm AUX and RCA ports, matte black finish

live sound wireless system

SKU CH-GKR1-8QH1R

Bluetooth 5.4 transmitter-receiver streams TV, airplane or gym audio to two headphones and adds wireless input to car or home stereos

  • Power drawBattery Powered, 1 Wh
  • Accessory categoryLow Latency
  • ModulationBluetooth, AUX
  • Wireless bandsAAC, SBC, bluetooth
  • Audio inputs3.5 mm AUX, RCA
  • Audio outputsStereo
  • TX mode streams TV audio wirelessly to two Bluetooth headphones via 3.5 mm AUX or RCA
  • RX mode adds Bluetooth 5.4 streaming to any wired car or home stereo system
  • Low-latency AAC and SBC codecs keep movies and games in sync
  • Certified FCC, CE, RoHS and BQB with over-current, short-circuit and overheat protection
  • 15 hours playtime per charge and 1.5 hour fast charging through USB-C

2-in-1 Bluetooth 5.4 Audio Adapter

The LAICOMEIN B110 works as a transmitter or receiver, sending audio from TVs, airplane seats or gym equipment to Bluetooth headphones, or streaming music from a phone to wired stereos and car systems. It connects through 3.5 mm AUX and RCA ports and supports AAC and SBC codecs for stereo sound.

Travellers and home listeners needing wireless

Ideal for flyers who want to share in-flight entertainment with two headphones, or for adding Bluetooth to older hi-fi and car audio. Not suited for musicians, karaoke or electronic instruments that require real-time 2.4 GHz wireless with minimal latency.

15-hour battery life with 1.5-hour USB-C recharge

A single charge delivers more than 15 hours of playback, and the built-in battery reaches full capacity in about 1.5 hours via the included Type-C cable, keeping the adapter ready for long journeys or extended listening sessions.

How it compares

Measured against everything we stock in Wireless Microphone Systems, at today’s prices. Recalculated every night.

Price $54.99
Cheaper than about 78% of the 119 comparable items (median $114.99).

Specifications

Product
Brand nameLAICOMEIN
Product lineB110
Model nameB110
Part numberB110
Accessory categoryLow Latency
Audio & video
Audio inputs3.5 mm AUX, RCA
Audio outputsStereo
Audio channels2
Connectivity
Wireless bandsAAC, SBC, bluetooth
Power
Power drawBattery Powered, 1 Wh
Power supplyBattery Powered
Battery time2 h
Size & build
Product weight0.09 kg
More details
ModulationBluetooth, AUX

Questions about this item

What does Bluetooth 5.4 mean for everyday use?

Bluetooth 5.4 provides a stable wireless link with low latency and supports dual headphone pairing so two people can listen together.

How does the AUX and RCA interface limit what I can connect?

The 3.5 mm AUX and RCA ports accept analogue stereo sources such as TVs, airplane seats or car stereos but do not carry digital or multi-channel signals.

What do I need to mount or carry this unit?

At 0.09 kg it fits in a pocket or bag and requires no mounting hardware; just plug the 3.5 mm or RCA cable into the source device.

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