FAQ

Yes, both versions available on our e-shop, i.e. Crystal Mic Student/Pro are compatible with Bose QC35 II.

Yes, Crystal Mic for Sony wh-1000xm3/4 does exist. Unfortunately we don't yet sell officially this type on our online store, but if you are interested, please contact us we will find some solution and get them for you.

Yes, Crystal Mic for Bose 700 does exist. Unfortunately we don't yet sell officially this type on our online store, but if you are interested, please contact us we will find some solution and get them for you.

Unfortunately, we do not currently sell Bose QC35 or BOSE QC35 II headphones. We focus mainly on sale of external microphones Crystal Mic. To buy headphones we recommend you to contact any major electronics retailer.

The device has an automatic function that saves battery power. If you switch the device to mix/mute mode it will automatically start searching for devices in the range, if it is unable to connect to any device it is automatically turned off. We recommend you to use the microphone without wireless connection, keep it switched to OFF, otherwise always check that you are pairing with your external bluetooth device.

Our products are covered by the normal 24 month statutory warranty. There is also a 14 day return period for all our products without giving any reason. More information here Compliant procedure

The most common problem tends to be connecting wires to wrong sides. It is important to screw the part leading to the aircraft on the side where is the sign of OSEI company (the bird). For instructions on how to properly connect the whole device, see the instructions here Manuals

One of the advantages of the Crystal Mic solution is the interchangeability of all individual parts. Therefore, the ideal course of action would be to contact us directly and discuss the fault over the phone or email. Here we will try to find out what part might be the problem. If the situation cannot be resolved remotely, send the whole kit back to the shop and we will test the device. Once the faulty part is found, only that component can be replaced and the whole repair will be cheap and swift.

Yes, if you have worn out earbuds, they can be replaced in our company after consultation via email.