TROND Bluetooth V5.0 Transmitter Receiver for TV PC iPod, 2-in-1 Wireless 3.5mm Adapter (AptX Low Latency, Pair with 2 Bluetooth Headphones Simultaneously), Black

I have been hunting down a low latency headset/transmitter combo for a while, as many others here. The hunt can get tricky because you have to pair the two devices that will agree to talk in low latency mode. So I took my quest rather seriously and I bought a bunch of headsets and transmitters.For reference, I call "slow" connections to those where you can see your video out of sync with your audio. 90 milliseconds or more in delay will do that. Similarly I call "fast" connections where audio and video are reasonably close or in sync, with the delay being 30 milliseconds or less.In my experience, AptX is a slow codec and the improved AptX-LL is fast.So then, any device that does not explicitly say AptX-LL or Low Latency will work slow; a device that only says "AptX" is not enough. And the wireless connection can only go as fast as the slower paired component so having either a slow headset or transmitter will make your sync slow.To make things more interesting, not every headset that does say AptX-LL will use low latency technology with every transmitter out there. You kinda have to mix and match. So for example a given transmitter will connect fast with a certain headset, but slow with some other brand. And it will do so consistently.Not so the TROND 2-in-1, however. Every headset I tried with this little device worked fast. The headsets include:Premium MS301 Mixcder Wireless & Wired V4.2 Bass Noise Isolation Headphones with aptX Low Latency Audio- Headset with Mic & Bluetooth - Sturdy Foldable - Universal Compatibility for iPhone Tablet PCAvantree Wireless Bluetooth Over Ear Headphones with Mic, LOW LATENCY Fast Audio aptX Headset for Gaming TV PC, 40h Battery Sound - Audition Pro [2 Years Warranty]Miccus Wireless Bluetooth v4.2 Over Ear Headphones with Mic, aptX Headset Low Latency for Gaming, TV, iPhone, Beats, Foldable - 20h Battery (SR-71 Stealth)I tried other headsets, but those were not advertised as Low Latency and thus worked slow. Some notable headphones brands are falling behind the low latency race, surprisingly.Do not fret however, because you can still buy two of these devices, use one as transmitter and one as receiver, and just use your favorite wired headphones. Yes, low latency works quite well that way.You can pair two low latency headsets at the same time, but the low latency feature is disabled that way. It is the same on every low latency transmitter I have put my hands on. So if you are planning to do that, you can opt for cheaper, slower headsets.Aside from latency, these devices are well constructed, simple to use and most important of all, light and small. Single button operation; nice red and blue LED leaves nothing to guess. It behaves like any other standard BT device, nice and simple. It almost needs no instructions to set up. The fact that they are transmitter and receiver in the same package only adds to the versatility of this design.All in all, great little device. I do recommend it for your audio/video needs when paired with a compatible LL headset or other TROND 2-in-1.

Love these bluetooth receivers and transmitters.. I have 4 of them, and they rock. Very small, and the sound is perfect.

For what this little device is, it works pretty well. I have been using it for a few days as a way to listen to my records while I work in my office which is in the room next to my nice stereo & turntable. The battery life has been good (states 8-10 hrs...it's doing that), it paired up with my BT headphones without too much issues, and has good sound quality (wired will always do a bit better, but this one is pretty close to wired). There are multiple audio connectors in the box which is helpful for different ways to hook it up.The main negatives are #1 range - they say "30 ft", but quite a few BT devices aren't that good, and this one is about the same...the distance I am using it is no more than 15' and unobstructed. 99% of the time it's fine, but does cut out once in a while. It is very small, so the antenna on it is super small, and I am sure that doesn't help. Second, if you want to use this as a dual device (two headphones connecting), the low latency aptX codec does not work...it works with 1 headphone, but if you pair 2 it will go back down to the slower codecs. They have a different version that can do low latency with two headphones.I also am not a fan of multi-use single button....the one button turns in on, turns on/off pairing, etc, etc. You have to know how long to hold it to pair one headphone, two headphones, turning it on/off, resetting, etc. I always get confused. But I am ok with admitting it could just be me and everyone else is ok with it.It is a good solid BT Tx/Rx device, and will work great with incorporating BT with my older stereo equipment. I have amps from the 1970s, and this is a nice way to add some of the modern day functionality to these great amps so I can use cordless headphones and stream to them. If your wanting dual headphone low latency, higher range, or need inputs like optical, then look at their other products (they have higher end units that can handle extra inputs or headphones). For the price, it is doing the job that I intended it to do, so no real complaints.