JBL Cinema SB560, Dolby Audio Soundbar has recently launched several soundbars 
with the features you're looking for, including Dolby Audio, HDMI eARC, and Bluetooth connectivity. Some of the notable models include:
JBL Bar Series: This is JBL's flagship soundbar line, with models that offer advanced features like MultiBeam™ and detachable surround speakers. The latest models often include Dolby Atmos, HDMI eARC, and Bluetooth. Examples include the JBL BAR 1300, BAR 1000, BAR 800, and BAR 500.
JBL Cinema SB Series: This series offers a range of options, from all-in-one soundbars to those with wireless subwoofers. Many of these models feature Dolby Audio and Bluetooth connectivity. The JBL Cinema SB590 and SB560 are recent examples that also include Virtual Dolby Atmos and HDMI eARC.
When choosing a soundbar, consider the following:
Dolby Audio: JBL soundbars support various Dolby formats, from basic Dolby Digital to advanced Dolby Atmos. Dolby Atmos creates a more immersive, three-dimensional sound experience with virtual or up-firing speakers.
HDMI eARC: HDMI eARC (Enhanced Audio Return Channel) is a crucial feature for modern TVs. It allows you to send high-quality, uncompressed audio, including Dolby Atmos, from your TV back to the soundbar with a single HDMI cable.
Bluetooth Connectivity: This is a standard feature on most JBL soundbars, allowing you to easily stream music from your smartphone, tablet, or other Bluetooth-enabled devices.