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Small rectangular Bluetooth adapter, matte finish, 3.5 mm jack, 21 grams

Gemini SafeFly Dot2 live sound wireless system

SKU CH-GDRZ-B1EBR

Bluetooth 5.3 transmitter and receiver streams audio between wired and wireless devices with aptX Adaptive, HD and low-latency codecs, dual-pairing support, 25-hour battery life and 50 ft range

  • Power drawBattery Powered, 5 V DC, 250 mAh
  • Accessory category2-in-1 Bluetooth transmitter receiver for TV/Airplane
  • ModulationBluetooth, bluetooth
  • Wireless bandsAptX Adaptive/HD/LL/SBC/AAC, bluetooth
  • Wireless rangeVolume Control
  • Audio inputs3.5 mm AUX
  • Bluetooth 5.3 gives fast, stable streaming up to 50 ft
  • aptX Adaptive keeps audio-video sync under 40 ms delay
  • Dual Link pairs two headphones or two phones at once
  • Rechargeable battery runs 25 hours and charges in 2 hours
  • Pocket-size 2.17 × 1.26 × 0.51 in adapter fits any 3.5 mm jack

Versatile Bluetooth 5.3 Audio Adapter

The Gemini SafeFly Dot2 is a 2-in-1 Bluetooth transmitter and receiver designed for live sound and personal audio. It streams audio from non-Bluetooth sources such as TVs or airplane seats to wireless headphones, or sends music from a phone to wired speakers and car stereos. The compact unit weighs 21 grams and includes a dual 3.5 mm airplane adapter for travel convenience.

Simple Setup With Dual Pairing

Switch between TX and RX modes with a single button, then pair up to two headphones in transmitter mode or two smartphones in receiver mode. The 3.5 mm AUX connection requires no drivers, and the built-in rechargeable battery charges fully in 2 hours via USB-C while the device remains in use. Volume controls are integrated on the unit for immediate adjustment.

Ideal For Travel And Shared Listening

Travellers who want wireless audio on flights, gym-goers connecting to equipment, and households sharing a TV without disturbing others will benefit from the aptX Adaptive and Low Latency codecs keeping sync under 40 ms. Buyers whose headphones lack aptX Low Latency or Adaptive support may experience higher latency, and users needing more than two simultaneous Bluetooth connections should consider a different solution.

How it compares

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

Price $35.99
Cheaper than about 90% of the 119 comparable items (median $114.99).

Specifications

Product
Brand nameGemini
Product lineSafeFly Dot2 Bluetooth Transmitter Receiver
Model nameSafeFly Dot2
Part numberSafeFly Dot2
Accessory category2-in-1 Bluetooth transmitter receiver for TV/Airplane
Audio & video
Audio inputs3.5 mm AUX
Audio outputsStereo
Audio channels2
Connectivity
Wireless bandsAptX Adaptive/HD/LL/SBC/AAC, bluetooth
Wireless rangeVolume Control
Power
Power drawBattery Powered, 5 V DC, 250 mAh
Power supplyBattery Powered, 5 V DC
Battery time2 h
Size & build
Measurements14.33 in W × 12.83 in H × 9.06 in D
Product weight21 g
In the box
Package contentsTrue, false, cell, 1
More details
ModulationBluetooth, bluetooth

Questions about this item

How do I confirm the aptX Low Latency connection is active after pairing?

The LED indicator shows the active codec; a solid white light means aptX Adaptive or Low Latency is engaged and latency stays below 40 ms.

What accessories are included and what must I supply?

The box contains the SafeFly Dot2 unit, a USB-C charging cable and a dual 3.5 mm airplane adapter; you provide the Bluetooth headphones or wired speakers.

Which codec should I choose between aptX Adaptive and aptX HD for best sync?

Use aptX Adaptive or Low Latency on both the Dot2 and your headphones to keep audio-video delay under 40 ms; aptX HD favours quality over sync.

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