Apart from the launch of HUAWEI P40 series, HUAWEI could be launching another wireless Bluetooth earphone according to 91 Mobiles. This was found from the patent applied to WIPO on its TWS Bluetooth earphone.
The Bluetooth earphone uses the Jabra Elite 75t and Samsung Galaxy Buds+ design tone. It uses in ear design and also should be able to support dialing as it has a microphone.
Earlier last year (Sept 2019) HUAWEI has launched the FreeBuds 3 which is a type of earphone that supports active noise cancelling. Whether is this launched along with the HUAWEI P40, there are no news yet.