Amazon has opened pre-orders for the Panasonic RZ-S500W True Wireless Bluetooth Earphones. The product is available in two color variants: Black and White. If you are interested, you can pre-order with the following links from the online retailer:
The product features a built-in microphone, 8mm driver units, 50 inside/outside noise cancellation levels and more. It is also rated for IPX4 splash resistant. Last but not least, the earphones have a battery life of up to 20 hours with a recharge time of 4 hours.
According to the product page, the RZ-S500W will be released in July 20, 2020, in the U.S. region. You can see how this new model stack up against the RZ-S300W in this versus guide.