I purchased the device to mainly connect with the pillion so that we can speak on long rides. It works perfectly and the sound is enough to hear the other person at high speeds also. I haven't tested the battery fully but it worked well on our 6 hours long ride and it still has more battery left. Will not work if you are far away as the range is around 30 meters. Overall a good product in a good price.

Good intercom waterproof too loved the product..

Good product at good price., battery backup is also good. There are some issues with vol. but sorted it on click.

Good product

First time delivered a defective piece it was not connecting in universal mose. Post Replacement review. Build quality is cheap plastic but ok. Sound quality satisfactory but additional ear pad would be better. E1 is common for many after co branding and China made and packed so not possible. Universal connectivity is a pain, it's is seen as Black mini in other universal intercom mobile app but doesn't connect with host with intercom button. Host has to initiate call everytime through app onl...